Finding the Fourth Proportional to 2,335.39, 3,222.72 and 1,340.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.39 : 3,222.72 = 1,340.62 : x
2. Step 2: Convert to fraction form
   2,335.39/3,222.72 = 1,340.62/x
3. Step 3: Cross multiply
   2,335.39x = 3,222.72 × 1,340.62
4. Step 4: Simplify right side
   2,335.39x = 4,320,434.83
5. Step 5: Solve for x
   x = 4,320,434.83/2,335.39
6. Step 6: Final answer
   x = 1,849.99