Finding the Fourth Proportional to 2,194.34, 3,028.15 and 1,199.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.34 : 3,028.15 = 1,199.61 : x
2. Step 2: Convert to fraction form
   2,194.34/3,028.15 = 1,199.61/x
3. Step 3: Cross multiply
   2,194.34x = 3,028.15 × 1,199.61
4. Step 4: Simplify right side
   2,194.34x = 3,632,600.52
5. Step 5: Solve for x
   x = 3,632,600.52/2,194.34
6. Step 6: Final answer
   x = 1,655.44