Finding the Fourth Proportional to 23,250.45, 32,085.52 and 12,640.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.45 : 32,085.52 = 12,640.12 : x
2. Step 2: Convert to fraction form
   23,250.45/32,085.52 = 12,640.12/x
3. Step 3: Cross multiply
   23,250.45x = 32,085.52 × 12,640.12
4. Step 4: Simplify right side
   23,250.45x = 405,564,823.06
5. Step 5: Solve for x
   x = 405,564,823.06/23,250.45
6. Step 6: Final answer
   x = 17,443.31