Finding the Fourth Proportional to 2,535.55, 3,802.98 and 686.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.55 : 3,802.98 = 686.83 : x
2. Step 2: Convert to fraction form
   2,535.55/3,802.98 = 686.83/x
3. Step 3: Cross multiply
   2,535.55x = 3,802.98 × 686.83
4. Step 4: Simplify right side
   2,535.55x = 2,612,000.75
5. Step 5: Solve for x
   x = 2,612,000.75/2,535.55
6. Step 6: Final answer
   x = 1,030.15