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Finding the Fourth Proportional to 74,750.56, 103,156.56 and 40,758.76

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Solution

The fourth proportional to 74,750.56, 103,156.56 and 40,758.76 is: 56,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.56 : 103,156.56 = 40,758.76 : x
  2. Step 2: Convert to fraction form
    74,750.56/103,156.56 = 40,758.76/x
  3. Step 3: Cross multiply
    74,750.56x = 103,156.56 × 40,758.76
  4. Step 4: Simplify right side
    74,750.56x = 4,204,533,471.47
  5. Step 5: Solve for x
    x = 4,204,533,471.47/74,750.56
  6. Step 6: Final answer
    x = 56,247.52

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