Finding the Fourth Proportional to 2,194.57, 3,028.52 and 1,199.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.57 : 3,028.52 = 1,199.89 : x
2. Step 2: Convert to fraction form
   2,194.57/3,028.52 = 1,199.89/x
3. Step 3: Cross multiply
   2,194.57x = 3,028.52 × 1,199.89
4. Step 4: Simplify right side
   2,194.57x = 3,633,890.86
5. Step 5: Solve for x
   x = 3,633,890.86/2,194.57
6. Step 6: Final answer
   x = 1,655.86