Finding the Fourth Proportional to 17,699.42, 24,411.30 and 10,981.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,699.42 : 24,411.30 = 10,981.28 : x
2. Step 2: Convert to fraction form
   17,699.42/24,411.30 = 10,981.28/x
3. Step 3: Cross multiply
   17,699.42x = 24,411.30 × 10,981.28
4. Step 4: Simplify right side
   17,699.42x = 268,067,320.46
5. Step 5: Solve for x
   x = 268,067,320.46/17,699.42
6. Step 6: Final answer
   x = 15,145.54