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Finding the Fourth Proportional to 391,800.18, 587,504.43 and 181,257.78

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Solution

The fourth proportional to 391,800.18, 587,504.43 and 181,257.78 is: 271,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,800.18 : 587,504.43 = 181,257.78 : x
  2. Step 2: Convert to fraction form
    391,800.18/587,504.43 = 181,257.78/x
  3. Step 3: Cross multiply
    391,800.18x = 587,504.43 × 181,257.78
  4. Step 4: Simplify right side
    391,800.18x = 106,489,748,721.97
  5. Step 5: Solve for x
    x = 106,489,748,721.97/391,800.18
  6. Step 6: Final answer
    x = 271,796.07

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