Finding the Fourth Proportional to 2,222.40, 3,066.48 and 1,338.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.40 : 3,066.48 = 1,338.26 : x
2. Step 2: Convert to fraction form
   2,222.40/3,066.48 = 1,338.26/x
3. Step 3: Cross multiply
   2,222.40x = 3,066.48 × 1,338.26
4. Step 4: Simplify right side
   2,222.40x = 4,103,725.50
5. Step 5: Solve for x
   x = 4,103,725.50/2,222.40
6. Step 6: Final answer
   x = 1,846.53