Finding the Fourth Proportional to 2,216.29, 3,323.37 and 1,292.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.29 : 3,323.37 = 1,292.12 : x
2. Step 2: Convert to fraction form
   2,216.29/3,323.37 = 1,292.12/x
3. Step 3: Cross multiply
   2,216.29x = 3,323.37 × 1,292.12
4. Step 4: Simplify right side
   2,216.29x = 4,294,176.23
5. Step 5: Solve for x
   x = 4,294,176.23/2,216.29
6. Step 6: Final answer
   x = 1,937.55