Finding the Fourth Proportional to 17,938.76, 24,754.82 and 9,980.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.76 : 24,754.82 = 9,980.82 : x
2. Step 2: Convert to fraction form
   17,938.76/24,754.82 = 9,980.82/x
3. Step 3: Cross multiply
   17,938.76x = 24,754.82 × 9,980.82
4. Step 4: Simplify right side
   17,938.76x = 247,073,352.65
5. Step 5: Solve for x
   x = 247,073,352.65/17,938.76
6. Step 6: Final answer
   x = 13,773.16