Finding the Fourth Proportional to 2,333.50, 3,500.74 and 689.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.50 : 3,500.74 = 689.92 : x
2. Step 2: Convert to fraction form
   2,333.50/3,500.74 = 689.92/x
3. Step 3: Cross multiply
   2,333.50x = 3,500.74 × 689.92
4. Step 4: Simplify right side
   2,333.50x = 2,415,230.54
5. Step 5: Solve for x
   x = 2,415,230.54/2,333.50
6. Step 6: Final answer
   x = 1,035.02