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Finding the Fourth Proportional to 252,043.12, 378,138.56 and 74,554.88

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Solution

The fourth proportional to 252,043.12, 378,138.56 and 74,554.88 is: 111,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,043.12 : 378,138.56 = 74,554.88 : x
  2. Step 2: Convert to fraction form
    252,043.12/378,138.56 = 74,554.88/x
  3. Step 3: Cross multiply
    252,043.12x = 378,138.56 × 74,554.88
  4. Step 4: Simplify right side
    252,043.12x = 28,192,074,964.17
  5. Step 5: Solve for x
    x = 28,192,074,964.17/252,043.12
  6. Step 6: Final answer
    x = 111,854.17

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