Finding the Fourth Proportional to 9,025.81, 12,461.49 and 8,079.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.81 : 12,461.49 = 8,079.99 : x
2. Step 2: Convert to fraction form
   9,025.81/12,461.49 = 8,079.99/x
3. Step 3: Cross multiply
   9,025.81x = 12,461.49 × 8,079.99
4. Step 4: Simplify right side
   9,025.81x = 100,688,714.59
5. Step 5: Solve for x
   x = 100,688,714.59/9,025.81
6. Step 6: Final answer
   x = 11,155.64