Finding the Fourth Proportional to 2,083.95, 3,124.31 and 696.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.95 : 3,124.31 = 696.42 : x
2. Step 2: Convert to fraction form
   2,083.95/3,124.31 = 696.42/x
3. Step 3: Cross multiply
   2,083.95x = 3,124.31 × 696.42
4. Step 4: Simplify right side
   2,083.95x = 2,175,828.49
5. Step 5: Solve for x
   x = 2,175,828.49/2,083.95
6. Step 6: Final answer
   x = 1,044.09