Finding the Fourth Proportional to 5,715.30, 8,567.03 and 3,525.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715.30 : 8,567.03 = 3,525.57 : x
2. Step 2: Convert to fraction form
   5,715.30/8,567.03 = 3,525.57/x
3. Step 3: Cross multiply
   5,715.30x = 8,567.03 × 3,525.57
4. Step 4: Simplify right side
   5,715.30x = 30,203,646.33
5. Step 5: Solve for x
   x = 30,203,646.33/5,715.30
6. Step 6: Final answer
   x = 5,284.70