Finding the Fourth Proportional to 2,199.67, 3,033.81 and 1,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.67 : 3,033.81 = 1,315.27 : x
2. Step 2: Convert to fraction form
   2,199.67/3,033.81 = 1,315.27/x
3. Step 3: Cross multiply
   2,199.67x = 3,033.81 × 1,315.27
4. Step 4: Simplify right side
   2,199.67x = 3,990,279.28
5. Step 5: Solve for x
   x = 3,990,279.28/2,199.67
6. Step 6: Final answer
   x = 1,814.04