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Finding the Fourth Proportional to 104,876.80, 144,725.82 and 57,130.52

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Solution

The fourth proportional to 104,876.80, 144,725.82 and 57,130.52 is: 78,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,876.80 : 144,725.82 = 57,130.52 : x
  2. Step 2: Convert to fraction form
    104,876.80/144,725.82 = 57,130.52/x
  3. Step 3: Cross multiply
    104,876.80x = 144,725.82 × 57,130.52
  4. Step 4: Simplify right side
    104,876.80x = 8,268,261,354.03
  5. Step 5: Solve for x
    x = 8,268,261,354.03/104,876.80
  6. Step 6: Final answer
    x = 78,837.85

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