Finding the Fourth Proportional to 2,333.40, 3,499.29 and 689.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.40 : 3,499.29 = 689.51 : x
2. Step 2: Convert to fraction form
   2,333.40/3,499.29 = 689.51/x
3. Step 3: Cross multiply
   2,333.40x = 3,499.29 × 689.51
4. Step 4: Simplify right side
   2,333.40x = 2,412,777.95
5. Step 5: Solve for x
   x = 2,412,777.95/2,333.40
6. Step 6: Final answer
   x = 1,034.02