Finding the Fourth Proportional to 23,291.06, 32,141.67 and 12,680.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,291.06 : 32,141.67 = 12,680.78 : x
2. Step 2: Convert to fraction form
   23,291.06/32,141.67 = 12,680.78/x
3. Step 3: Cross multiply
   23,291.06x = 32,141.67 × 12,680.78
4. Step 4: Simplify right side
   23,291.06x = 407,581,446.10
5. Step 5: Solve for x
   x = 407,581,446.10/23,291.06
6. Step 6: Final answer
   x = 17,499.48