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Finding the Fourth Proportional to 492,978.28, 680,310.48 and 266,623.78

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Solution

The fourth proportional to 492,978.28, 680,310.48 and 266,623.78 is: 367,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,978.28 : 680,310.48 = 266,623.78 : x
  2. Step 2: Convert to fraction form
    492,978.28/680,310.48 = 266,623.78/x
  3. Step 3: Cross multiply
    492,978.28x = 680,310.48 × 266,623.78
  4. Step 4: Simplify right side
    492,978.28x = 181,386,951,751.21
  5. Step 5: Solve for x
    x = 181,386,951,751.21/492,978.28
  6. Step 6: Final answer
    x = 367,941.06

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