Finding the Fourth Proportional to 1,990.27, 2,986.22 and 895.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.27 : 2,986.22 = 895.15 : x
2. Step 2: Convert to fraction form
   1,990.27/2,986.22 = 895.15/x
3. Step 3: Cross multiply
   1,990.27x = 2,986.22 × 895.15
4. Step 4: Simplify right side
   1,990.27x = 2,673,115.77
5. Step 5: Solve for x
   x = 2,673,115.77/1,990.27
6. Step 6: Final answer
   x = 1,343.09