Finding the Fourth Proportional to 17,903.31, 24,705.39 and 9,945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,903.31 : 24,705.39 = 9,945.54 : x
2. Step 2: Convert to fraction form
   17,903.31/24,705.39 = 9,945.54/x
3. Step 3: Cross multiply
   17,903.31x = 24,705.39 × 9,945.54
4. Step 4: Simplify right side
   17,903.31x = 245,708,444.46
5. Step 5: Solve for x
   x = 245,708,444.46/17,903.31
6. Step 6: Final answer
   x = 13,724.19