Finding the Fourth Proportional to 1,990.32, 2,745.12 and 1,766.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.32 : 2,745.12 = 1,766.49 : x
2. Step 2: Convert to fraction form
   1,990.32/2,745.12 = 1,766.49/x
3. Step 3: Cross multiply
   1,990.32x = 2,745.12 × 1,766.49
4. Step 4: Simplify right side
   1,990.32x = 4,849,227.03
5. Step 5: Solve for x
   x = 4,849,227.03/1,990.32
6. Step 6: Final answer
   x = 2,436.41