Finding the Fourth Proportional to 17,638.92, 24,341.61 and 9,572.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.92 : 24,341.61 = 9,572.40 : x
2. Step 2: Convert to fraction form
   17,638.92/24,341.61 = 9,572.40/x
3. Step 3: Cross multiply
   17,638.92x = 24,341.61 × 9,572.40
4. Step 4: Simplify right side
   17,638.92x = 233,007,627.56
5. Step 5: Solve for x
   x = 233,007,627.56/17,638.92
6. Step 6: Final answer
   x = 13,209.86