Finding the Fourth Proportional to 9,044.46, 12,479.31 and 5,266.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,044.46 : 12,479.31 = 5,266.80 : x
2. Step 2: Convert to fraction form
   9,044.46/12,479.31 = 5,266.80/x
3. Step 3: Cross multiply
   9,044.46x = 12,479.31 × 5,266.80
4. Step 4: Simplify right side
   9,044.46x = 65,726,029.91
5. Step 5: Solve for x
   x = 65,726,029.91/9,044.46
6. Step 6: Final answer
   x = 7,266.99