Finding the Fourth Proportional to 2,222.82, 3,340.71 and 1,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.82 : 3,340.71 = 1,069.38 : x
2. Step 2: Convert to fraction form
   2,222.82/3,340.71 = 1,069.38/x
3. Step 3: Cross multiply
   2,222.82x = 3,340.71 × 1,069.38
4. Step 4: Simplify right side
   2,222.82x = 3,572,488.46
5. Step 5: Solve for x
   x = 3,572,488.46/2,222.82
6. Step 6: Final answer
   x = 1,607.19