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Finding the Fourth Proportional to 157,836.60, 217,819.80 and 86,223.29

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Solution

The fourth proportional to 157,836.60, 217,819.80 and 86,223.29 is: 118,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.60 : 217,819.80 = 86,223.29 : x
  2. Step 2: Convert to fraction form
    157,836.60/217,819.80 = 86,223.29/x
  3. Step 3: Cross multiply
    157,836.60x = 217,819.80 × 86,223.29
  4. Step 4: Simplify right side
    157,836.60x = 18,781,138,694.04
  5. Step 5: Solve for x
    x = 18,781,138,694.04/157,836.60
  6. Step 6: Final answer
    x = 118,991.02

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