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Finding the Fourth Proportional to 527,891.20, 791,829.60 and 172,916.80

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Solution

The fourth proportional to 527,891.20, 791,829.60 and 172,916.80 is: 259,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,891.20 : 791,829.60 = 172,916.80 : x
  2. Step 2: Convert to fraction form
    527,891.20/791,829.60 = 172,916.80/x
  3. Step 3: Cross multiply
    527,891.20x = 791,829.60 × 172,916.80
  4. Step 4: Simplify right side
    527,891.20x = 136,920,640,577.28
  5. Step 5: Solve for x
    x = 136,920,640,577.28/527,891.20
  6. Step 6: Final answer
    x = 259,372.84

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