Finding the Fourth Proportional to 23,250.49, 32,086.04 and 12,640.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.49 : 32,086.04 = 12,640.16 : x
2. Step 2: Convert to fraction form
   23,250.49/32,086.04 = 12,640.16/x
3. Step 3: Cross multiply
   23,250.49x = 32,086.04 × 12,640.16
4. Step 4: Simplify right side
   23,250.49x = 405,572,616.17
5. Step 5: Solve for x
   x = 405,572,616.17/23,250.49
6. Step 6: Final answer
   x = 17,443.62