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Finding the Fourth Proportional to 157,892.82, 217,893.61 and 86,272.83

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Solution

The fourth proportional to 157,892.82, 217,893.61 and 86,272.83 is: 119,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,892.82 : 217,893.61 = 86,272.83 : x
  2. Step 2: Convert to fraction form
    157,892.82/217,893.61 = 86,272.83/x
  3. Step 3: Cross multiply
    157,892.82x = 217,893.61 × 86,272.83
  4. Step 4: Simplify right side
    157,892.82x = 18,798,298,373.62
  5. Step 5: Solve for x
    x = 18,798,298,373.62/157,892.82
  6. Step 6: Final answer
    x = 119,057.34

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