Finding the Fourth Proportional to 23,411.72, 35,131.56 and 8,417.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,411.72 : 35,131.56 = 8,417.60 : x
2. Step 2: Convert to fraction form
   23,411.72/35,131.56 = 8,417.60/x
3. Step 3: Cross multiply
   23,411.72x = 35,131.56 × 8,417.60
4. Step 4: Simplify right side
   23,411.72x = 295,723,419.46
5. Step 5: Solve for x
   x = 295,723,419.46/23,411.72
6. Step 6: Final answer
   x = 12,631.43