Finding the Fourth Proportional to 2,334.57, 3,500.61 and 690.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.57 : 3,500.61 = 690.87 : x
2. Step 2: Convert to fraction form
   2,334.57/3,500.61 = 690.87/x
3. Step 3: Cross multiply
   2,334.57x = 3,500.61 × 690.87
4. Step 4: Simplify right side
   2,334.57x = 2,418,466.43
5. Step 5: Solve for x
   x = 2,418,466.43/2,334.57
6. Step 6: Final answer
   x = 1,035.94