Finding the Fourth Proportional to 2,222.65, 3,066.82 and 1,338.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.65 : 3,066.82 = 1,338.51 : x
2. Step 2: Convert to fraction form
   2,222.65/3,066.82 = 1,338.51/x
3. Step 3: Cross multiply
   2,222.65x = 3,066.82 × 1,338.51
4. Step 4: Simplify right side
   2,222.65x = 4,104,953.90
5. Step 5: Solve for x
   x = 4,104,953.90/2,222.65
6. Step 6: Final answer
   x = 1,846.88