Finding the Fourth Proportional to 5,671.91, 7,826.78 and 3,153.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671.91 : 7,826.78 = 3,153.82 : x
2. Step 2: Convert to fraction form
   5,671.91/7,826.78 = 3,153.82/x
3. Step 3: Cross multiply
   5,671.91x = 7,826.78 × 3,153.82
4. Step 4: Simplify right side
   5,671.91x = 24,684,255.30
5. Step 5: Solve for x
   x = 24,684,255.30/5,671.91
6. Step 6: Final answer
   x = 4,352.02