Finding the Fourth Proportional to 2,333.43, 3,499.83 and 690.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.43 : 3,499.83 = 690.15 : x
2. Step 2: Convert to fraction form
   2,333.43/3,499.83 = 690.15/x
3. Step 3: Cross multiply
   2,333.43x = 3,499.83 × 690.15
4. Step 4: Simplify right side
   2,333.43x = 2,415,407.67
5. Step 5: Solve for x
   x = 2,415,407.67/2,333.43
6. Step 6: Final answer
   x = 1,035.13