Finding the Fourth Proportional to 23,520.38, 32,457.02 and 12,910.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,520.38 : 32,457.02 = 12,910.18 : x
2. Step 2: Convert to fraction form
   23,520.38/32,457.02 = 12,910.18/x
3. Step 3: Cross multiply
   23,520.38x = 32,457.02 × 12,910.18
4. Step 4: Simplify right side
   23,520.38x = 419,025,970.46
5. Step 5: Solve for x
   x = 419,025,970.46/23,520.38
6. Step 6: Final answer
   x = 17,815.44