Finding the Fourth Proportional to 2,826.16, 3,901.32 and 2,649.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.16 : 3,901.32 = 2,649.04 : x
2. Step 2: Convert to fraction form
   2,826.16/3,901.32 = 2,649.04/x
3. Step 3: Cross multiply
   2,826.16x = 3,901.32 × 2,649.04
4. Step 4: Simplify right side
   2,826.16x = 10,334,752.73
5. Step 5: Solve for x
   x = 10,334,752.73/2,826.16
6. Step 6: Final answer
   x = 3,656.82