Finding the Fourth Proportional to 2,056.98, 3,085.77 and 1,083.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.98 : 3,085.77 = 1,083.15 : x
2. Step 2: Convert to fraction form
   2,056.98/3,085.77 = 1,083.15/x
3. Step 3: Cross multiply
   2,056.98x = 3,085.77 × 1,083.15
4. Step 4: Simplify right side
   2,056.98x = 3,342,351.78
5. Step 5: Solve for x
   x = 3,342,351.78/2,056.98
6. Step 6: Final answer
   x = 1,624.88