Finding the Fourth Proportional to 5,815.39, 8,025.27 and 3,162.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815.39 : 8,025.27 = 3,162.81 : x
2. Step 2: Convert to fraction form
   5,815.39/8,025.27 = 3,162.81/x
3. Step 3: Cross multiply
   5,815.39x = 8,025.27 × 3,162.81
4. Step 4: Simplify right side
   5,815.39x = 25,382,445.25
5. Step 5: Solve for x
   x = 25,382,445.25/5,815.39
6. Step 6: Final answer
   x = 4,364.70