Finding the Fourth Proportional to 2,333.07, 3,499.58 and 689.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.07 : 3,499.58 = 689.65 : x
2. Step 2: Convert to fraction form
   2,333.07/3,499.58 = 689.65/x
3. Step 3: Cross multiply
   2,333.07x = 3,499.58 × 689.65
4. Step 4: Simplify right side
   2,333.07x = 2,413,478.32
5. Step 5: Solve for x
   x = 2,413,478.32/2,333.07
6. Step 6: Final answer
   x = 1,034.46