Finding the Fourth Proportional to 1,401.93, 1,920.66 and 1,349.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.93 : 1,920.66 = 1,349.39 : x
2. Step 2: Convert to fraction form
   1,401.93/1,920.66 = 1,349.39/x
3. Step 3: Cross multiply
   1,401.93x = 1,920.66 × 1,349.39
4. Step 4: Simplify right side
   1,401.93x = 2,591,704.73
5. Step 5: Solve for x
   x = 2,591,704.73/1,401.93
6. Step 6: Final answer
   x = 1,848.66