Finding the Fourth Proportional to 23,250.72, 32,086.24 and 12,640.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.72 : 32,086.24 = 12,640.48 : x
2. Step 2: Convert to fraction form
   23,250.72/32,086.24 = 12,640.48/x
3. Step 3: Cross multiply
   23,250.72x = 32,086.24 × 12,640.48
4. Step 4: Simplify right side
   23,250.72x = 405,585,475.00
5. Step 5: Solve for x
   x = 405,585,475.00/23,250.72
6. Step 6: Final answer
   x = 17,444.00