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Finding the Fourth Proportional to 199,412.80, 299,132.80 and 57,247.12

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Solution

The fourth proportional to 199,412.80, 299,132.80 and 57,247.12 is: 85,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.80 : 299,132.80 = 57,247.12 : x
  2. Step 2: Convert to fraction form
    199,412.80/299,132.80 = 57,247.12/x
  3. Step 3: Cross multiply
    199,412.80x = 299,132.80 × 57,247.12
  4. Step 4: Simplify right side
    199,412.80x = 17,124,491,297.54
  5. Step 5: Solve for x
    x = 17,124,491,297.54/199,412.80
  6. Step 6: Final answer
    x = 85,874.58

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