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Finding the Fourth Proportional to 66,192.91, 91,346.77 and 35,978.24

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Solution

The fourth proportional to 66,192.91, 91,346.77 and 35,978.24 is: 49,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.91 : 91,346.77 = 35,978.24 : x
  2. Step 2: Convert to fraction form
    66,192.91/91,346.77 = 35,978.24/x
  3. Step 3: Cross multiply
    66,192.91x = 91,346.77 × 35,978.24
  4. Step 4: Simplify right side
    66,192.91x = 3,286,496,287.62
  5. Step 5: Solve for x
    x = 3,286,496,287.62/66,192.91
  6. Step 6: Final answer
    x = 49,650.27

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