Finding the Fourth Proportional to 8,132.59, 12,200.61 and 2,867.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,132.59 : 12,200.61 = 2,867.39 : x
2. Step 2: Convert to fraction form
   8,132.59/12,200.61 = 2,867.39/x
3. Step 3: Cross multiply
   8,132.59x = 12,200.61 × 2,867.39
4. Step 4: Simplify right side
   8,132.59x = 34,983,902.61
5. Step 5: Solve for x
   x = 34,983,902.61/8,132.59
6. Step 6: Final answer
   x = 4,301.69