Finding the Fourth Proportional to 9,766.62, 14,639.54 and 3,191.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.62 : 14,639.54 = 3,191.04 : x
2. Step 2: Convert to fraction form
   9,766.62/14,639.54 = 3,191.04/x
3. Step 3: Cross multiply
   9,766.62x = 14,639.54 × 3,191.04
4. Step 4: Simplify right side
   9,766.62x = 46,715,357.72
5. Step 5: Solve for x
   x = 46,715,357.72/9,766.62
6. Step 6: Final answer
   x = 4,783.17