Finding the Fourth Proportional to 23,399.02, 32,292.84 and 12,790.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,399.02 : 32,292.84 = 12,790.23 : x
2. Step 2: Convert to fraction form
   23,399.02/32,292.84 = 12,790.23/x
3. Step 3: Cross multiply
   23,399.02x = 32,292.84 × 12,790.23
4. Step 4: Simplify right side
   23,399.02x = 413,032,850.95
5. Step 5: Solve for x
   x = 413,032,850.95/23,399.02
6. Step 6: Final answer
   x = 17,651.72