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Finding the Fourth Proportional to 66,455.41, 99,259.48 and 60,120.56

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Solution

The fourth proportional to 66,455.41, 99,259.48 and 60,120.56 is: 89,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455.41 : 99,259.48 = 60,120.56 : x
  2. Step 2: Convert to fraction form
    66,455.41/99,259.48 = 60,120.56/x
  3. Step 3: Cross multiply
    66,455.41x = 99,259.48 × 60,120.56
  4. Step 4: Simplify right side
    66,455.41x = 5,967,535,522.91
  5. Step 5: Solve for x
    x = 5,967,535,522.91/66,455.41
  6. Step 6: Final answer
    x = 89,797.59

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