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Finding the Fourth Proportional to 10,115.56, 13,956.36 and 5,865.76

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Solution

The fourth proportional to 10,115.56, 13,956.36 and 5,865.76 is: 8,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.56 : 13,956.36 = 5,865.76 : x
  2. Step 2: Convert to fraction form
    10,115.56/13,956.36 = 5,865.76/x
  3. Step 3: Cross multiply
    10,115.56x = 13,956.36 × 5,865.76
  4. Step 4: Simplify right side
    10,115.56x = 81,864,658.23
  5. Step 5: Solve for x
    x = 81,864,658.23/10,115.56
  6. Step 6: Final answer
    x = 8,092.94

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