Finding the Fourth Proportional to 2,223.29, 3,066.93 and 1,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.29 : 3,066.93 = 1,338.56 : x
2. Step 2: Convert to fraction form
   2,223.29/3,066.93 = 1,338.56/x
3. Step 3: Cross multiply
   2,223.29x = 3,066.93 × 1,338.56
4. Step 4: Simplify right side
   2,223.29x = 4,105,269.82
5. Step 5: Solve for x
   x = 4,105,269.82/2,223.29
6. Step 6: Final answer
   x = 1,846.48