Finding the Fourth Proportional to 9,266.79, 12,790.17 and 5,908.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,266.79 : 12,790.17 = 5,908.86 : x
2. Step 2: Convert to fraction form
   9,266.79/12,790.17 = 5,908.86/x
3. Step 3: Cross multiply
   9,266.79x = 12,790.17 × 5,908.86
4. Step 4: Simplify right side
   9,266.79x = 75,575,323.91
5. Step 5: Solve for x
   x = 75,575,323.91/9,266.79
6. Step 6: Final answer
   x = 8,155.50