Finding the Fourth Proportional to 2,222.39, 3,332.49 and 1,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.39 : 3,332.49 = 1,298.18 : x
2. Step 2: Convert to fraction form
   2,222.39/3,332.49 = 1,298.18/x
3. Step 3: Cross multiply
   2,222.39x = 3,332.49 × 1,298.18
4. Step 4: Simplify right side
   2,222.39x = 4,326,155.21
5. Step 5: Solve for x
   x = 4,326,155.21/2,222.39
6. Step 6: Final answer
   x = 1,946.63