Finding the Fourth Proportional to 2,333.34, 3,500.64 and 689.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.34 : 3,500.64 = 689.85 : x
2. Step 2: Convert to fraction form
   2,333.34/3,500.64 = 689.85/x
3. Step 3: Cross multiply
   2,333.34x = 3,500.64 × 689.85
4. Step 4: Simplify right side
   2,333.34x = 2,414,916.50
5. Step 5: Solve for x
   x = 2,414,916.50/2,333.34
6. Step 6: Final answer
   x = 1,034.96