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Finding the Fourth Proportional to 104,939.76, 157,413.48 and 42,608.88

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Solution

The fourth proportional to 104,939.76, 157,413.48 and 42,608.88 is: 63,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.76 : 157,413.48 = 42,608.88 : x
  2. Step 2: Convert to fraction form
    104,939.76/157,413.48 = 42,608.88/x
  3. Step 3: Cross multiply
    104,939.76x = 157,413.48 × 42,608.88
  4. Step 4: Simplify right side
    104,939.76x = 6,707,212,079.70
  5. Step 5: Solve for x
    x = 6,707,212,079.70/104,939.76
  6. Step 6: Final answer
    x = 63,914.88

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