Finding the Fourth Proportional to 17,902.47, 24,705.41 and 9,945.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,902.47 : 24,705.41 = 9,945.43 : x
2. Step 2: Convert to fraction form
   17,902.47/24,705.41 = 9,945.43/x
3. Step 3: Cross multiply
   17,902.47x = 24,705.41 × 9,945.43
4. Step 4: Simplify right side
   17,902.47x = 245,705,925.78
5. Step 5: Solve for x
   x = 245,705,925.78/17,902.47
6. Step 6: Final answer
   x = 13,724.69