Finding the Fourth Proportional to 2,194.46, 3,028.42 and 1,199.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.46 : 3,028.42 = 1,199.72 : x
2. Step 2: Convert to fraction form
   2,194.46/3,028.42 = 1,199.72/x
3. Step 3: Cross multiply
   2,194.46x = 3,028.42 × 1,199.72
4. Step 4: Simplify right side
   2,194.46x = 3,633,256.04
5. Step 5: Solve for x
   x = 3,633,256.04/2,194.46
6. Step 6: Final answer
   x = 1,655.65