Finding the Fourth Proportional to 17,912.10, 24,718.72 and 9,954.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912.10 : 24,718.72 = 9,954.12 : x
2. Step 2: Convert to fraction form
   17,912.10/24,718.72 = 9,954.12/x
3. Step 3: Cross multiply
   17,912.10x = 24,718.72 × 9,954.12
4. Step 4: Simplify right side
   17,912.10x = 246,053,105.13
5. Step 5: Solve for x
   x = 246,053,105.13/17,912.10
6. Step 6: Final answer
   x = 13,736.70