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Finding the Fourth Proportional to 132,628.64, 198,942.84 and 39,127.04

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Solution

The fourth proportional to 132,628.64, 198,942.84 and 39,127.04 is: 58,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.64 : 198,942.84 = 39,127.04 : x
  2. Step 2: Convert to fraction form
    132,628.64/198,942.84 = 39,127.04/x
  3. Step 3: Cross multiply
    132,628.64x = 198,942.84 × 39,127.04
  4. Step 4: Simplify right side
    132,628.64x = 7,784,044,458.39
  5. Step 5: Solve for x
    x = 7,784,044,458.39/132,628.64
  6. Step 6: Final answer
    x = 58,690.52

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