Finding the Fourth Proportional to 3,826.88, 5,701.86 and 3,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.88 : 5,701.86 = 3,575.42 : x
2. Step 2: Convert to fraction form
   3,826.88/5,701.86 = 3,575.42/x
3. Step 3: Cross multiply
   3,826.88x = 5,701.86 × 3,575.42
4. Step 4: Simplify right side
   3,826.88x = 20,386,544.28
5. Step 5: Solve for x
   x = 20,386,544.28/3,826.88
6. Step 6: Final answer
   x = 5,327.20