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Finding the Fourth Proportional to 92,028.11, 138,038.14 and 28,846.79

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Solution

The fourth proportional to 92,028.11, 138,038.14 and 28,846.79 is: 43,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,028.11 : 138,038.14 = 28,846.79 : x
  2. Step 2: Convert to fraction form
    92,028.11/138,038.14 = 28,846.79/x
  3. Step 3: Cross multiply
    92,028.11x = 138,038.14 × 28,846.79
  4. Step 4: Simplify right side
    92,028.11x = 3,981,957,236.57
  5. Step 5: Solve for x
    x = 3,981,957,236.57/92,028.11
  6. Step 6: Final answer
    x = 43,268.92

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