Finding the Fourth Proportional to 2,013.92, 3,019.50 and 697.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.92 : 3,019.50 = 697.34 : x
2. Step 2: Convert to fraction form
   2,013.92/3,019.50 = 697.34/x
3. Step 3: Cross multiply
   2,013.92x = 3,019.50 × 697.34
4. Step 4: Simplify right side
   2,013.92x = 2,105,618.13
5. Step 5: Solve for x
   x = 2,105,618.13/2,013.92
6. Step 6: Final answer
   x = 1,045.53