Finding the Fourth Proportional to 17,938.02, 24,755.61 and 9,980.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.02 : 24,755.61 = 9,980.23 : x
2. Step 2: Convert to fraction form
   17,938.02/24,755.61 = 9,980.23/x
3. Step 3: Cross multiply
   17,938.02x = 24,755.61 × 9,980.23
4. Step 4: Simplify right side
   17,938.02x = 247,066,681.59
5. Step 5: Solve for x
   x = 247,066,681.59/17,938.02
6. Step 6: Final answer
   x = 13,773.35