Finding the Fourth Proportional to 16,781.96, 25,157.22 and 5,680.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.96 : 25,157.22 = 5,680.88 : x
2. Step 2: Convert to fraction form
   16,781.96/25,157.22 = 5,680.88/x
3. Step 3: Cross multiply
   16,781.96x = 25,157.22 × 5,680.88
4. Step 4: Simplify right side
   16,781.96x = 142,915,147.95
5. Step 5: Solve for x
   x = 142,915,147.95/16,781.96
6. Step 6: Final answer
   x = 8,516.00