Finding the Fourth Proportional to 5,810.69, 8,018.77 and 3,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,810.69 : 8,018.77 = 3,158.10 : x
2. Step 2: Convert to fraction form
   5,810.69/8,018.77 = 3,158.10/x
3. Step 3: Cross multiply
   5,810.69x = 8,018.77 × 3,158.10
4. Step 4: Simplify right side
   5,810.69x = 25,324,069.64
5. Step 5: Solve for x
   x = 25,324,069.64/5,810.69
6. Step 6: Final answer
   x = 4,358.18