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Finding the Fourth Proportional to 492,726.80, 739,090.20 and 177,142.70

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Solution

The fourth proportional to 492,726.80, 739,090.20 and 177,142.70 is: 265,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,726.80 : 739,090.20 = 177,142.70 : x
  2. Step 2: Convert to fraction form
    492,726.80/739,090.20 = 177,142.70/x
  3. Step 3: Cross multiply
    492,726.80x = 739,090.20 × 177,142.70
  4. Step 4: Simplify right side
    492,726.80x = 130,924,433,571.54
  5. Step 5: Solve for x
    x = 130,924,433,571.54/492,726.80
  6. Step 6: Final answer
    x = 265,714.05

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