Finding the Fourth Proportional to 17,321.62, 23,903.88 and 9,363.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.62 : 23,903.88 = 9,363.88 : x
2. Step 2: Convert to fraction form
   17,321.62/23,903.88 = 9,363.88/x
3. Step 3: Cross multiply
   17,321.62x = 23,903.88 × 9,363.88
4. Step 4: Simplify right side
   17,321.62x = 223,833,063.85
5. Step 5: Solve for x
   x = 223,833,063.85/17,321.62
6. Step 6: Final answer
   x = 12,922.18