Finding the Fourth Proportional to 14,502.80, 20,017.50 and 8,910.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,502.80 : 20,017.50 = 8,910.56 : x
2. Step 2: Convert to fraction form
   14,502.80/20,017.50 = 8,910.56/x
3. Step 3: Cross multiply
   14,502.80x = 20,017.50 × 8,910.56
4. Step 4: Simplify right side
   14,502.80x = 178,367,151.43
5. Step 5: Solve for x
   x = 178,367,151.43/14,502.80
6. Step 6: Final answer
   x = 12,298.81