Finding the Fourth Proportional to 2,535.89, 3,803.55 and 686.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.89 : 3,803.55 = 686.93 : x
2. Step 2: Convert to fraction form
   2,535.89/3,803.55 = 686.93/x
3. Step 3: Cross multiply
   2,535.89x = 3,803.55 × 686.93
4. Step 4: Simplify right side
   2,535.89x = 2,612,753.58
5. Step 5: Solve for x
   x = 2,612,753.58/2,535.89
6. Step 6: Final answer
   x = 1,030.31