Finding the Fourth Proportional to 2,199.18, 3,032.78 and 1,314.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.18 : 3,032.78 = 1,314.84 : x
2. Step 2: Convert to fraction form
   2,199.18/3,032.78 = 1,314.84/x
3. Step 3: Cross multiply
   2,199.18x = 3,032.78 × 1,314.84
4. Step 4: Simplify right side
   2,199.18x = 3,987,613.88
5. Step 5: Solve for x
   x = 3,987,613.88/2,199.18
6. Step 6: Final answer
   x = 1,813.23