Finding the Fourth Proportional to 9,250.79, 12,766.10 and 5,059.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.79 : 12,766.10 = 5,059.04 : x
2. Step 2: Convert to fraction form
   9,250.79/12,766.10 = 5,059.04/x
3. Step 3: Cross multiply
   9,250.79x = 12,766.10 × 5,059.04
4. Step 4: Simplify right side
   9,250.79x = 64,584,121.42
5. Step 5: Solve for x
   x = 64,584,121.42/9,250.79
6. Step 6: Final answer
   x = 6,981.47