Finding the Fourth Proportional to 3,868.08, 5,826.76 and 3,531.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.08 : 5,826.76 = 3,531.82 : x
2. Step 2: Convert to fraction form
   3,868.08/5,826.76 = 3,531.82/x
3. Step 3: Cross multiply
   3,868.08x = 5,826.76 × 3,531.82
4. Step 4: Simplify right side
   3,868.08x = 20,579,067.50
5. Step 5: Solve for x
   x = 20,579,067.50/3,868.08
6. Step 6: Final answer
   x = 5,320.23