Finding the Fourth Proportional to 17,902.33, 24,705.56 and 9,945.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,902.33 : 24,705.56 = 9,945.30 : x
2. Step 2: Convert to fraction form
   17,902.33/24,705.56 = 9,945.30/x
3. Step 3: Cross multiply
   17,902.33x = 24,705.56 × 9,945.30
4. Step 4: Simplify right side
   17,902.33x = 245,704,205.87
5. Step 5: Solve for x
   x = 245,704,205.87/17,902.33
6. Step 6: Final answer
   x = 13,724.71