Finding the Fourth Proportional to 17,939.16, 24,756.71 and 9,981.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,939.16 : 24,756.71 = 9,981.95 : x
2. Step 2: Convert to fraction form
   17,939.16/24,756.71 = 9,981.95/x
3. Step 3: Cross multiply
   17,939.16x = 24,756.71 × 9,981.95
4. Step 4: Simplify right side
   17,939.16x = 247,120,067.69
5. Step 5: Solve for x
   x = 247,120,067.69/17,939.16
6. Step 6: Final answer
   x = 13,775.45