Finding the Fourth Proportional to 2,223.11, 3,336.82 and 1,069.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.11 : 3,336.82 = 1,069.67 : x
2. Step 2: Convert to fraction form
   2,223.11/3,336.82 = 1,069.67/x
3. Step 3: Cross multiply
   2,223.11x = 3,336.82 × 1,069.67
4. Step 4: Simplify right side
   2,223.11x = 3,569,276.89
5. Step 5: Solve for x
   x = 3,569,276.89/2,223.11
6. Step 6: Final answer
   x = 1,605.54