Finding the Fourth Proportional to 2,335.07, 3,222.28 and 1,340.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.07 : 3,222.28 = 1,340.71 : x
2. Step 2: Convert to fraction form
   2,335.07/3,222.28 = 1,340.71/x
3. Step 3: Cross multiply
   2,335.07x = 3,222.28 × 1,340.71
4. Step 4: Simplify right side
   2,335.07x = 4,320,143.02
5. Step 5: Solve for x
   x = 4,320,143.02/2,335.07
6. Step 6: Final answer
   x = 1,850.11