Finding the Fourth Proportional to 2,083.65, 3,124.32 and 696.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.65 : 3,124.32 = 696.25 : x
2. Step 2: Convert to fraction form
   2,083.65/3,124.32 = 696.25/x
3. Step 3: Cross multiply
   2,083.65x = 3,124.32 × 696.25
4. Step 4: Simplify right side
   2,083.65x = 2,175,307.80
5. Step 5: Solve for x
   x = 2,175,307.80/2,083.65
6. Step 6: Final answer
   x = 1,043.99