Finding the Fourth Proportional to 5,807.91, 8,016.17 and 3,571.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,807.91 : 8,016.17 = 3,571.70 : x
2. Step 2: Convert to fraction form
   5,807.91/8,016.17 = 3,571.70/x
3. Step 3: Cross multiply
   5,807.91x = 8,016.17 × 3,571.70
4. Step 4: Simplify right side
   5,807.91x = 28,631,354.39
5. Step 5: Solve for x
   x = 28,631,354.39/5,807.91
6. Step 6: Final answer
   x = 4,929.72