Finding the Fourth Proportional to 23,401.52, 32,293.20 and 12,791.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,401.52 : 32,293.20 = 12,791.30 : x
2. Step 2: Convert to fraction form
   23,401.52/32,293.20 = 12,791.30/x
3. Step 3: Cross multiply
   23,401.52x = 32,293.20 × 12,791.30
4. Step 4: Simplify right side
   23,401.52x = 413,072,009.16
5. Step 5: Solve for x
   x = 413,072,009.16/23,401.52
6. Step 6: Final answer
   x = 17,651.50