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Finding the Fourth Proportional to 92,813.36, 128,082.53 and 50,371.91

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Solution

The fourth proportional to 92,813.36, 128,082.53 and 50,371.91 is: 69,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.36 : 128,082.53 = 50,371.91 : x
  2. Step 2: Convert to fraction form
    92,813.36/128,082.53 = 50,371.91/x
  3. Step 3: Cross multiply
    92,813.36x = 128,082.53 × 50,371.91
  4. Step 4: Simplify right side
    92,813.36x = 6,451,760,781.46
  5. Step 5: Solve for x
    x = 6,451,760,781.46/92,813.36
  6. Step 6: Final answer
    x = 69,513.28

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