Finding the Fourth Proportional to 5,810.86, 8,019.01 and 3,158.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,810.86 : 8,019.01 = 3,158.31 : x
2. Step 2: Convert to fraction form
   5,810.86/8,019.01 = 3,158.31/x
3. Step 3: Cross multiply
   5,810.86x = 8,019.01 × 3,158.31
4. Step 4: Simplify right side
   5,810.86x = 25,326,519.47
5. Step 5: Solve for x
   x = 25,326,519.47/5,810.86
6. Step 6: Final answer
   x = 4,358.48