Finding the Fourth Proportional to 2,236.50, 3,355.29 and 697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.50 : 3,355.29 = 697.50 : x
2. Step 2: Convert to fraction form
   2,236.50/3,355.29 = 697.50/x
3. Step 3: Cross multiply
   2,236.50x = 3,355.29 × 697.50
4. Step 4: Simplify right side
   2,236.50x = 2,340,314.78
5. Step 5: Solve for x
   x = 2,340,314.78/2,236.50
6. Step 6: Final answer
   x = 1,046.42