Finding the Fourth Proportional to 2,343.31, 3,233.53 and 1,348.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.31 : 3,233.53 = 1,348.40 : x
2. Step 2: Convert to fraction form
   2,343.31/3,233.53 = 1,348.40/x
3. Step 3: Cross multiply
   2,343.31x = 3,233.53 × 1,348.40
4. Step 4: Simplify right side
   2,343.31x = 4,360,072.31
5. Step 5: Solve for x
   x = 4,360,072.31/2,343.31
6. Step 6: Final answer
   x = 1,860.65