Finding the Fourth Proportional to 17,695.76, 24,420.46 and 10,142.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,695.76 : 24,420.46 = 10,142.76 : x
2. Step 2: Convert to fraction form
   17,695.76/24,420.46 = 10,142.76/x
3. Step 3: Cross multiply
   17,695.76x = 24,420.46 × 10,142.76
4. Step 4: Simplify right side
   17,695.76x = 247,690,864.87
5. Step 5: Solve for x
   x = 247,690,864.87/17,695.76
6. Step 6: Final answer
   x = 13,997.19