Finding the Fourth Proportional to 16,520.62, 22,799.15 and 9,447.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.62 : 22,799.15 = 9,447.04 : x
2. Step 2: Convert to fraction form
   16,520.62/22,799.15 = 9,447.04/x
3. Step 3: Cross multiply
   16,520.62x = 22,799.15 × 9,447.04
4. Step 4: Simplify right side
   16,520.62x = 215,384,482.02
5. Step 5: Solve for x
   x = 215,384,482.02/16,520.62
6. Step 6: Final answer
   x = 13,037.31