Finding the Fourth Proportional to 17,939.68, 24,756.33 and 9,981.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,939.68 : 24,756.33 = 9,981.73 : x
2. Step 2: Convert to fraction form
   17,939.68/24,756.33 = 9,981.73/x
3. Step 3: Cross multiply
   17,939.68x = 24,756.33 × 9,981.73
4. Step 4: Simplify right side
   17,939.68x = 247,111,070.23
5. Step 5: Solve for x
   x = 247,111,070.23/17,939.68
6. Step 6: Final answer
   x = 13,774.55