Finding the Fourth Proportional to 2,333.32, 3,500.72 and 689.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.32 : 3,500.72 = 689.87 : x
2. Step 2: Convert to fraction form
   2,333.32/3,500.72 = 689.87/x
3. Step 3: Cross multiply
   2,333.32x = 3,500.72 × 689.87
4. Step 4: Simplify right side
   2,333.32x = 2,415,049.60
5. Step 5: Solve for x
   x = 2,415,049.60/2,333.32
6. Step 6: Final answer
   x = 1,035.03