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Finding the Fourth Proportional to 521,336.92, 781,991.70 and 166,372.60

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Solution

The fourth proportional to 521,336.92, 781,991.70 and 166,372.60 is: 249,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,336.92 : 781,991.70 = 166,372.60 : x
  2. Step 2: Convert to fraction form
    521,336.92/781,991.70 = 166,372.60/x
  3. Step 3: Cross multiply
    521,336.92x = 781,991.70 × 166,372.60
  4. Step 4: Simplify right side
    521,336.92x = 130,101,992,307.42
  5. Step 5: Solve for x
    x = 130,101,992,307.42/521,336.92
  6. Step 6: Final answer
    x = 249,554.53

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