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Finding the Fourth Proportional to 51,122.56, 70,549.08 and 28,766.56

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Solution

The fourth proportional to 51,122.56, 70,549.08 and 28,766.56 is: 39,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.56 : 70,549.08 = 28,766.56 : x
  2. Step 2: Convert to fraction form
    51,122.56/70,549.08 = 28,766.56/x
  3. Step 3: Cross multiply
    51,122.56x = 70,549.08 × 28,766.56
  4. Step 4: Simplify right side
    51,122.56x = 2,029,454,342.76
  5. Step 5: Solve for x
    x = 2,029,454,342.76/51,122.56
  6. Step 6: Final answer
    x = 39,697.82

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