Finding the Fourth Proportional to 1,408.55, 1,933.37 and 1,348.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.55 : 1,933.37 = 1,348.40 : x
2. Step 2: Convert to fraction form
   1,408.55/1,933.37 = 1,348.40/x
3. Step 3: Cross multiply
   1,408.55x = 1,933.37 × 1,348.40
4. Step 4: Simplify right side
   1,408.55x = 2,606,939.70
5. Step 5: Solve for x
   x = 2,606,939.70/1,408.55
6. Step 6: Final answer
   x = 1,850.80