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Finding the Fourth Proportional to 92,563.15, 138,662.47 and 58,724.79

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Solution

The fourth proportional to 92,563.15, 138,662.47 and 58,724.79 is: 87,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,563.15 : 138,662.47 = 58,724.79 : x
  2. Step 2: Convert to fraction form
    92,563.15/138,662.47 = 58,724.79/x
  3. Step 3: Cross multiply
    92,563.15x = 138,662.47 × 58,724.79
  4. Step 4: Simplify right side
    92,563.15x = 8,142,923,444.70
  5. Step 5: Solve for x
    x = 8,142,923,444.70/92,563.15
  6. Step 6: Final answer
    x = 87,971.55

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