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Finding the Fourth Proportional to 92,054.25, 138,083.07 and 28,872.96

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Solution

The fourth proportional to 92,054.25, 138,083.07 and 28,872.96 is: 43,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,054.25 : 138,083.07 = 28,872.96 : x
  2. Step 2: Convert to fraction form
    92,054.25/138,083.07 = 28,872.96/x
  3. Step 3: Cross multiply
    92,054.25x = 138,083.07 × 28,872.96
  4. Step 4: Simplify right side
    92,054.25x = 3,986,866,956.79
  5. Step 5: Solve for x
    x = 3,986,866,956.79/92,054.25
  6. Step 6: Final answer
    x = 43,309.97

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