Finding the Fourth Proportional to 5,810.72, 8,018.82 and 3,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,810.72 : 8,018.82 = 3,158.15 : x
2. Step 2: Convert to fraction form
   5,810.72/8,018.82 = 3,158.15/x
3. Step 3: Cross multiply
   5,810.72x = 8,018.82 × 3,158.15
4. Step 4: Simplify right side
   5,810.72x = 25,324,596.29
5. Step 5: Solve for x
   x = 25,324,596.29/5,810.72
6. Step 6: Final answer
   x = 4,358.26