Finding the Fourth Proportional to 1,401.40, 1,919.93 and 1,348.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.40 : 1,919.93 = 1,348.85 : x
2. Step 2: Convert to fraction form
   1,401.40/1,919.93 = 1,348.85/x
3. Step 3: Cross multiply
   1,401.40x = 1,919.93 × 1,348.85
4. Step 4: Simplify right side
   1,401.40x = 2,589,693.25
5. Step 5: Solve for x
   x = 2,589,693.25/1,401.40
6. Step 6: Final answer
   x = 1,847.93