Finding the Fourth Proportional to 9,411.30, 14,116.92 and 2,485.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.30 : 14,116.92 = 2,485.80 : x
2. Step 2: Convert to fraction form
   9,411.30/14,116.92 = 2,485.80/x
3. Step 3: Cross multiply
   9,411.30x = 14,116.92 × 2,485.80
4. Step 4: Simplify right side
   9,411.30x = 35,091,839.74
5. Step 5: Solve for x
   x = 35,091,839.74/9,411.30
6. Step 6: Final answer
   x = 3,728.69