Finding the Fourth Proportional to 16,592.72, 22,899.12 and 9,520.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,592.72 : 22,899.12 = 9,520.88 : x
2. Step 2: Convert to fraction form
   16,592.72/22,899.12 = 9,520.88/x
3. Step 3: Cross multiply
   16,592.72x = 22,899.12 × 9,520.88
4. Step 4: Simplify right side
   16,592.72x = 218,019,773.63
5. Step 5: Solve for x
   x = 218,019,773.63/16,592.72
6. Step 6: Final answer
   x = 13,139.48