Finding the Fourth Proportional to 2,084.22, 2,876.28 and 1,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.22 : 2,876.28 = 1,200.18 : x
2. Step 2: Convert to fraction form
   2,084.22/2,876.28 = 1,200.18/x
3. Step 3: Cross multiply
   2,084.22x = 2,876.28 × 1,200.18
4. Step 4: Simplify right side
   2,084.22x = 3,452,053.73
5. Step 5: Solve for x
   x = 3,452,053.73/2,084.22
6. Step 6: Final answer
   x = 1,656.28