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Finding the Fourth Proportional to 292,821.60, 439,232.40 and 174,626.40

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Solution

The fourth proportional to 292,821.60, 439,232.40 and 174,626.40 is: 261,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,821.60 : 439,232.40 = 174,626.40 : x
  2. Step 2: Convert to fraction form
    292,821.60/439,232.40 = 174,626.40/x
  3. Step 3: Cross multiply
    292,821.60x = 439,232.40 × 174,626.40
  4. Step 4: Simplify right side
    292,821.60x = 76,701,572,775.36
  5. Step 5: Solve for x
    x = 76,701,572,775.36/292,821.60
  6. Step 6: Final answer
    x = 261,939.60

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