Finding the Fourth Proportional to 3,971.52, 5,952.38 and 2,216.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971.52 : 5,952.38 = 2,216.43 : x
2. Step 2: Convert to fraction form
   3,971.52/5,952.38 = 2,216.43/x
3. Step 3: Cross multiply
   3,971.52x = 5,952.38 × 2,216.43
4. Step 4: Simplify right side
   3,971.52x = 13,193,022.52
5. Step 5: Solve for x
   x = 13,193,022.52/3,971.52
6. Step 6: Final answer
   x = 3,321.91