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Finding the Fourth Proportional to 76,657.95, 105,787.82 and 43,123.95

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Solution

The fourth proportional to 76,657.95, 105,787.82 and 43,123.95 is: 59,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,657.95 : 105,787.82 = 43,123.95 : x
  2. Step 2: Convert to fraction form
    76,657.95/105,787.82 = 43,123.95/x
  3. Step 3: Cross multiply
    76,657.95x = 105,787.82 × 43,123.95
  4. Step 4: Simplify right side
    76,657.95x = 4,561,988,444.67
  5. Step 5: Solve for x
    x = 4,561,988,444.67/76,657.95
  6. Step 6: Final answer
    x = 59,510.96

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