Finding the Fourth Proportional to 17,143.18, 23,657.90 and 10,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143.18 : 23,657.90 = 10,429.10 : x
2. Step 2: Convert to fraction form
   17,143.18/23,657.90 = 10,429.10/x
3. Step 3: Cross multiply
   17,143.18x = 23,657.90 × 10,429.10
4. Step 4: Simplify right side
   17,143.18x = 246,730,604.89
5. Step 5: Solve for x
   x = 246,730,604.89/17,143.18
6. Step 6: Final answer
   x = 14,392.35