Finding the Fourth Proportional to 1,443.03, 1,990.26 and 1,325.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.03 : 1,990.26 = 1,325.37 : x
2. Step 2: Convert to fraction form
   1,443.03/1,990.26 = 1,325.37/x
3. Step 3: Cross multiply
   1,443.03x = 1,990.26 × 1,325.37
4. Step 4: Simplify right side
   1,443.03x = 2,637,830.90
5. Step 5: Solve for x
   x = 2,637,830.90/1,443.03
6. Step 6: Final answer
   x = 1,827.98