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Finding the Fourth Proportional to 105,840.52, 158,784.99 and 45,879.03

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Solution

The fourth proportional to 105,840.52, 158,784.99 and 45,879.03 is: 68,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,840.52 : 158,784.99 = 45,879.03 : x
  2. Step 2: Convert to fraction form
    105,840.52/158,784.99 = 45,879.03/x
  3. Step 3: Cross multiply
    105,840.52x = 158,784.99 × 45,879.03
  4. Step 4: Simplify right side
    105,840.52x = 7,284,901,319.76
  5. Step 5: Solve for x
    x = 7,284,901,319.76/105,840.52
  6. Step 6: Final answer
    x = 68,829.04

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