Finding the Fourth Proportional to 23,251, 32,085.04 and 12,640.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,251 : 32,085.04 = 12,640.56 : x
2. Step 2: Convert to fraction form
   23,251/32,085.04 = 12,640.56/x
3. Step 3: Cross multiply
   23,251x = 32,085.04 × 12,640.56
4. Step 4: Simplify right side
   23,251x = 405,572,873.22
5. Step 5: Solve for x
   x = 405,572,873.22/23,251
6. Step 6: Final answer
   x = 17,443.24