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Finding the Fourth Proportional to 157,817.54, 217,784.69 and 86,197.82

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Solution

The fourth proportional to 157,817.54, 217,784.69 and 86,197.82 is: 118,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,817.54 : 217,784.69 = 86,197.82 : x
  2. Step 2: Convert to fraction form
    157,817.54/217,784.69 = 86,197.82/x
  3. Step 3: Cross multiply
    157,817.54x = 217,784.69 × 86,197.82
  4. Step 4: Simplify right side
    157,817.54x = 18,772,565,076.39
  5. Step 5: Solve for x
    x = 18,772,565,076.39/157,817.54
  6. Step 6: Final answer
    x = 118,951.07

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