Finding the Fourth Proportional to 2,333.89, 3,499.73 and 690.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.89 : 3,499.73 = 690.11 : x
2. Step 2: Convert to fraction form
   2,333.89/3,499.73 = 690.11/x
3. Step 3: Cross multiply
   2,333.89x = 3,499.73 × 690.11
4. Step 4: Simplify right side
   2,333.89x = 2,415,198.67
5. Step 5: Solve for x
   x = 2,415,198.67/2,333.89
6. Step 6: Final answer
   x = 1,034.84