Finding the Fourth Proportional to 23,550.64, 32,499.64 and 12,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.64 : 32,499.64 = 12,940.04 : x
2. Step 2: Convert to fraction form
   23,550.64/32,499.64 = 12,940.04/x
3. Step 3: Cross multiply
   23,550.64x = 32,499.64 × 12,940.04
4. Step 4: Simplify right side
   23,550.64x = 420,546,641.59
5. Step 5: Solve for x
   x = 420,546,641.59/23,550.64
6. Step 6: Final answer
   x = 17,857.12