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Finding the Fourth Proportional to 83,413.80, 124,829.10 and 58,336.20

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Solution

The fourth proportional to 83,413.80, 124,829.10 and 58,336.20 is: 87,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413.80 : 124,829.10 = 58,336.20 : x
  2. Step 2: Convert to fraction form
    83,413.80/124,829.10 = 58,336.20/x
  3. Step 3: Cross multiply
    83,413.80x = 124,829.10 × 58,336.20
  4. Step 4: Simplify right side
    83,413.80x = 7,282,055,343.42
  5. Step 5: Solve for x
    x = 7,282,055,343.42/83,413.80
  6. Step 6: Final answer
    x = 87,300.37

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