Finding the Fourth Proportional to 2,333.38, 3,500.81 and 689.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.38 : 3,500.81 = 689.94 : x
2. Step 2: Convert to fraction form
   2,333.38/3,500.81 = 689.94/x
3. Step 3: Cross multiply
   2,333.38x = 3,500.81 × 689.94
4. Step 4: Simplify right side
   2,333.38x = 2,415,333.07
5. Step 5: Solve for x
   x = 2,415,333.07/2,333.38
6. Step 6: Final answer
   x = 1,035.12