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Finding the Fourth Proportional to 66,747.24, 100,130.58 and 20,003.76

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Solution

The fourth proportional to 66,747.24, 100,130.58 and 20,003.76 is: 30,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,747.24 : 100,130.58 = 20,003.76 : x
  2. Step 2: Convert to fraction form
    66,747.24/100,130.58 = 20,003.76/x
  3. Step 3: Cross multiply
    66,747.24x = 100,130.58 × 20,003.76
  4. Step 4: Simplify right side
    66,747.24x = 2,002,988,090.98
  5. Step 5: Solve for x
    x = 2,002,988,090.98/66,747.24
  6. Step 6: Final answer
    x = 30,008.55

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