Finding the Fourth Proportional to 13,105.92, 18,084.96 and 7,799.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.92 : 18,084.96 = 7,799.88 : x
2. Step 2: Convert to fraction form
   13,105.92/18,084.96 = 7,799.88/x
3. Step 3: Cross multiply
   13,105.92x = 18,084.96 × 7,799.88
4. Step 4: Simplify right side
   13,105.92x = 141,060,517.80
5. Step 5: Solve for x
   x = 141,060,517.80/13,105.92
6. Step 6: Final answer
   x = 10,763.11