Finding the Fourth Proportional to 3,955.91, 5,931.83 and 2,198.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,955.91 : 5,931.83 = 2,198.27 : x
2. Step 2: Convert to fraction form
   3,955.91/5,931.83 = 2,198.27/x
3. Step 3: Cross multiply
   3,955.91x = 5,931.83 × 2,198.27
4. Step 4: Simplify right side
   3,955.91x = 13,039,784.26
5. Step 5: Solve for x
   x = 13,039,784.26/3,955.91
6. Step 6: Final answer
   x = 3,296.28