Finding the Fourth Proportional to 23,250.96, 32,085.63 and 12,640.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.96 : 32,085.63 = 12,640.32 : x
2. Step 2: Convert to fraction form
   23,250.96/32,085.63 = 12,640.32/x
3. Step 3: Cross multiply
   23,250.96x = 32,085.63 × 12,640.32
4. Step 4: Simplify right side
   23,250.96x = 405,572,630.60
5. Step 5: Solve for x
   x = 405,572,630.60/23,250.96
6. Step 6: Final answer
   x = 17,443.26