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Finding the Fourth Proportional to 204,591.48, 307,049.20 and 86,344.44

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Solution

The fourth proportional to 204,591.48, 307,049.20 and 86,344.44 is: 129,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,591.48 : 307,049.20 = 86,344.44 : x
  2. Step 2: Convert to fraction form
    204,591.48/307,049.20 = 86,344.44/x
  3. Step 3: Cross multiply
    204,591.48x = 307,049.20 × 86,344.44
  4. Step 4: Simplify right side
    204,591.48x = 26,511,991,226.45
  5. Step 5: Solve for x
    x = 26,511,991,226.45/204,591.48
  6. Step 6: Final answer
    x = 129,585.02

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