Finding the Fourth Proportional to 2,194.83, 3,028.91 and 1,200.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.83 : 3,028.91 = 1,200.15 : x
2. Step 2: Convert to fraction form
   2,194.83/3,028.91 = 1,200.15/x
3. Step 3: Cross multiply
   2,194.83x = 3,028.91 × 1,200.15
4. Step 4: Simplify right side
   2,194.83x = 3,635,140.34
5. Step 5: Solve for x
   x = 3,635,140.34/2,194.83
6. Step 6: Final answer
   x = 1,656.23