Finding the Fourth Proportional to 12,338.62, 17,032.92 and 7,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338.62 : 17,032.92 = 7,868.50 : x
2. Step 2: Convert to fraction form
   12,338.62/17,032.92 = 7,868.50/x
3. Step 3: Cross multiply
   12,338.62x = 17,032.92 × 7,868.50
4. Step 4: Simplify right side
   12,338.62x = 134,023,531.02
5. Step 5: Solve for x
   x = 134,023,531.02/12,338.62
6. Step 6: Final answer
   x = 10,862.12