Finding the Fourth Proportional to 1,443.52, 1,990.38 and 1,365.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.52 : 1,990.38 = 1,365.70 : x
2. Step 2: Convert to fraction form
   1,443.52/1,990.38 = 1,365.70/x
3. Step 3: Cross multiply
   1,443.52x = 1,990.38 × 1,365.70
4. Step 4: Simplify right side
   1,443.52x = 2,718,261.97
5. Step 5: Solve for x
   x = 2,718,261.97/1,443.52
6. Step 6: Final answer
   x = 1,883.08