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Finding the Fourth Proportional to 55,426.80, 83,140.20 and 37,712.10

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Solution

The fourth proportional to 55,426.80, 83,140.20 and 37,712.10 is: 56,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.80 : 83,140.20 = 37,712.10 : x
  2. Step 2: Convert to fraction form
    55,426.80/83,140.20 = 37,712.10/x
  3. Step 3: Cross multiply
    55,426.80x = 83,140.20 × 37,712.10
  4. Step 4: Simplify right side
    55,426.80x = 3,135,391,536.42
  5. Step 5: Solve for x
    x = 3,135,391,536.42/55,426.80
  6. Step 6: Final answer
    x = 56,568.15

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