Finding the Fourth Proportional to 16,340.96, 24,476.88 and 13,561.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,340.96 : 24,476.88 = 13,561.04 : x
2. Step 2: Convert to fraction form
   16,340.96/24,476.88 = 13,561.04/x
3. Step 3: Cross multiply
   16,340.96x = 24,476.88 × 13,561.04
4. Step 4: Simplify right side
   16,340.96x = 331,931,948.76
5. Step 5: Solve for x
   x = 331,931,948.76/16,340.96
6. Step 6: Final answer
   x = 20,312.88