Finding the Fourth Proportional to 2,333.70, 3,500.89 and 690.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.70 : 3,500.89 = 690.26 : x
2. Step 2: Convert to fraction form
   2,333.70/3,500.89 = 690.26/x
3. Step 3: Cross multiply
   2,333.70x = 3,500.89 × 690.26
4. Step 4: Simplify right side
   2,333.70x = 2,416,505.10
5. Step 5: Solve for x
   x = 2,416,505.10/2,333.70
6. Step 6: Final answer
   x = 1,035.48