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Finding the Fourth Proportional to 82,660.70, 123,988.32 and 35,913.58

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Solution

The fourth proportional to 82,660.70, 123,988.32 and 35,913.58 is: 53,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,660.70 : 123,988.32 = 35,913.58 : x
  2. Step 2: Convert to fraction form
    82,660.70/123,988.32 = 35,913.58/x
  3. Step 3: Cross multiply
    82,660.70x = 123,988.32 × 35,913.58
  4. Step 4: Simplify right side
    82,660.70x = 4,452,864,139.41
  5. Step 5: Solve for x
    x = 4,452,864,139.41/82,660.70
  6. Step 6: Final answer
    x = 53,869.18

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