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Finding the Fourth Proportional to 236,212.28, 354,316.92 and 86,463

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Solution

The fourth proportional to 236,212.28, 354,316.92 and 86,463 is: 129,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,212.28 : 354,316.92 = 86,463 : x
  2. Step 2: Convert to fraction form
    236,212.28/354,316.92 = 86,463/x
  3. Step 3: Cross multiply
    236,212.28x = 354,316.92 × 86,463
  4. Step 4: Simplify right side
    236,212.28x = 30,635,303,853.96
  5. Step 5: Solve for x
    x = 30,635,303,853.96/236,212.28
  6. Step 6: Final answer
    x = 129,693.95

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