Finding the Fourth Proportional to 9,401.48, 12,969.43 and 7,908.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.48 : 12,969.43 = 7,908.85 : x
2. Step 2: Convert to fraction form
   9,401.48/12,969.43 = 7,908.85/x
3. Step 3: Cross multiply
   9,401.48x = 12,969.43 × 7,908.85
4. Step 4: Simplify right side
   9,401.48x = 102,573,276.46
5. Step 5: Solve for x
   x = 102,573,276.46/9,401.48
6. Step 6: Final answer
   x = 10,910.33