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Finding the Fourth Proportional to 52,061.97, 78,076.79 and 18,777.71

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Solution

The fourth proportional to 52,061.97, 78,076.79 and 18,777.71 is: 28,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.97 : 78,076.79 = 18,777.71 : x
  2. Step 2: Convert to fraction form
    52,061.97/78,076.79 = 18,777.71/x
  3. Step 3: Cross multiply
    52,061.97x = 78,076.79 × 18,777.71
  4. Step 4: Simplify right side
    52,061.97x = 1,466,102,836.08
  5. Step 5: Solve for x
    x = 1,466,102,836.08/52,061.97
  6. Step 6: Final answer
    x = 28,160.73

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