Finding the Fourth Proportional to 2,194.43, 3,028.30 and 1,199.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.43 : 3,028.30 = 1,199.71 : x
2. Step 2: Convert to fraction form
   2,194.43/3,028.30 = 1,199.71/x
3. Step 3: Cross multiply
   2,194.43x = 3,028.30 × 1,199.71
4. Step 4: Simplify right side
   2,194.43x = 3,633,081.79
5. Step 5: Solve for x
   x = 3,633,081.79/2,194.43
6. Step 6: Final answer
   x = 1,655.59