Finding the Fourth Proportional to 17,903.52, 24,707.20 and 9,945.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,903.52 : 24,707.20 = 9,945.60 : x
2. Step 2: Convert to fraction form
   17,903.52/24,707.20 = 9,945.60/x
3. Step 3: Cross multiply
   17,903.52x = 24,707.20 × 9,945.60
4. Step 4: Simplify right side
   17,903.52x = 245,727,928.32
5. Step 5: Solve for x
   x = 245,727,928.32/17,903.52
6. Step 6: Final answer
   x = 13,725.12