Finding the Fourth Proportional to 2,335.23, 3,222.59 and 1,340.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.23 : 3,222.59 = 1,340.55 : x
2. Step 2: Convert to fraction form
   2,335.23/3,222.59 = 1,340.55/x
3. Step 3: Cross multiply
   2,335.23x = 3,222.59 × 1,340.55
4. Step 4: Simplify right side
   2,335.23x = 4,320,036.32
5. Step 5: Solve for x
   x = 4,320,036.32/2,335.23
6. Step 6: Final answer
   x = 1,849.94