Finding the Fourth Proportional to 8,839.92, 12,201.84 and 5,696.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.92 : 12,201.84 = 5,696.12 : x
2. Step 2: Convert to fraction form
   8,839.92/12,201.84 = 5,696.12/x
3. Step 3: Cross multiply
   8,839.92x = 12,201.84 × 5,696.12
4. Step 4: Simplify right side
   8,839.92x = 69,503,144.86
5. Step 5: Solve for x
   x = 69,503,144.86/8,839.92
6. Step 6: Final answer
   x = 7,862.42