Finding the Fourth Proportional to 14,350.56, 19,803.96 and 8,685.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,350.56 : 19,803.96 = 8,685.24 : x
2. Step 2: Convert to fraction form
   14,350.56/19,803.96 = 8,685.24/x
3. Step 3: Cross multiply
   14,350.56x = 19,803.96 × 8,685.24
4. Step 4: Simplify right side
   14,350.56x = 172,002,145.55
5. Step 5: Solve for x
   x = 172,002,145.55/14,350.56
6. Step 6: Final answer
   x = 11,985.74