Finding the Fourth Proportional to 2,375.97, 3,565.25 and 990.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.97 : 3,565.25 = 990.27 : x
2. Step 2: Convert to fraction form
   2,375.97/3,565.25 = 990.27/x
3. Step 3: Cross multiply
   2,375.97x = 3,565.25 × 990.27
4. Step 4: Simplify right side
   2,375.97x = 3,530,555.17
5. Step 5: Solve for x
   x = 3,530,555.17/2,375.97
6. Step 6: Final answer
   x = 1,485.94