Finding the Fourth Proportional to 5,821.32, 8,025.84 and 5,238.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,821.32 : 8,025.84 = 5,238.12 : x
2. Step 2: Convert to fraction form
   5,821.32/8,025.84 = 5,238.12/x
3. Step 3: Cross multiply
   5,821.32x = 8,025.84 × 5,238.12
4. Step 4: Simplify right side
   5,821.32x = 42,040,313.02
5. Step 5: Solve for x
   x = 42,040,313.02/5,821.32
6. Step 6: Final answer
   x = 7,221.78