Finding the Fourth Proportional to 5,959.27, 8,221.89 and 3,970.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,959.27 : 8,221.89 = 3,970.18 : x
2. Step 2: Convert to fraction form
   5,959.27/8,221.89 = 3,970.18/x
3. Step 3: Cross multiply
   5,959.27x = 8,221.89 × 3,970.18
4. Step 4: Simplify right side
   5,959.27x = 32,642,383.24
5. Step 5: Solve for x
   x = 32,642,383.24/5,959.27
6. Step 6: Final answer
   x = 5,477.58