Finding the Fourth Proportional to 2,222.15, 3,066.54 and 1,338

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.15 : 3,066.54 = 1,338 : x
2. Step 2: Convert to fraction form
   2,222.15/3,066.54 = 1,338/x
3. Step 3: Cross multiply
   2,222.15x = 3,066.54 × 1,338
4. Step 4: Simplify right side
   2,222.15x = 4,103,030.52
5. Step 5: Solve for x
   x = 4,103,030.52/2,222.15
6. Step 6: Final answer
   x = 1,846.43