Finding the Fourth Proportional to 2,335.30, 3,223.35 and 1,340.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.30 : 3,223.35 = 1,340.67 : x
2. Step 2: Convert to fraction form
   2,335.30/3,223.35 = 1,340.67/x
3. Step 3: Cross multiply
   2,335.30x = 3,223.35 × 1,340.67
4. Step 4: Simplify right side
   2,335.30x = 4,321,448.64
5. Step 5: Solve for x
   x = 4,321,448.64/2,335.30
6. Step 6: Final answer
   x = 1,850.49