Finding the Fourth Proportional to 2,083.98, 2,876.19 and 1,200.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.98 : 2,876.19 = 1,200.30 : x
2. Step 2: Convert to fraction form
   2,083.98/2,876.19 = 1,200.30/x
3. Step 3: Cross multiply
   2,083.98x = 2,876.19 × 1,200.30
4. Step 4: Simplify right side
   2,083.98x = 3,452,290.86
5. Step 5: Solve for x
   x = 3,452,290.86/2,083.98
6. Step 6: Final answer
   x = 1,656.59