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Finding the Fourth Proportional to 105,046.95, 157,439.03 and 52,471.11

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Solution

The fourth proportional to 105,046.95, 157,439.03 and 52,471.11 is: 78,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.95 : 157,439.03 = 52,471.11 : x
  2. Step 2: Convert to fraction form
    105,046.95/157,439.03 = 52,471.11/x
  3. Step 3: Cross multiply
    105,046.95x = 157,439.03 × 52,471.11
  4. Step 4: Simplify right side
    105,046.95x = 8,261,000,399.07
  5. Step 5: Solve for x
    x = 8,261,000,399.07/105,046.95
  6. Step 6: Final answer
    x = 78,641.03

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