Finding the Fourth Proportional to 5,849.20, 8,071.91 and 3,196.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,849.20 : 8,071.91 = 3,196.60 : x
2. Step 2: Convert to fraction form
   5,849.20/8,071.91 = 3,196.60/x
3. Step 3: Cross multiply
   5,849.20x = 8,071.91 × 3,196.60
4. Step 4: Simplify right side
   5,849.20x = 25,802,651.52
5. Step 5: Solve for x
   x = 25,802,651.52/5,849.20
6. Step 6: Final answer
   x = 4,411.31