Finding the Fourth Proportional to 2,335.42, 3,222.95 and 1,340.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.42 : 3,222.95 = 1,340.89 : x
2. Step 2: Convert to fraction form
   2,335.42/3,222.95 = 1,340.89/x
3. Step 3: Cross multiply
   2,335.42x = 3,222.95 × 1,340.89
4. Step 4: Simplify right side
   2,335.42x = 4,321,621.43
5. Step 5: Solve for x
   x = 4,321,621.43/2,335.42
6. Step 6: Final answer
   x = 1,850.47