Finding the Fourth Proportional to 2,221.83, 3,066.14 and 1,338.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.83 : 3,066.14 = 1,338.22 : x
2. Step 2: Convert to fraction form
   2,221.83/3,066.14 = 1,338.22/x
3. Step 3: Cross multiply
   2,221.83x = 3,066.14 × 1,338.22
4. Step 4: Simplify right side
   2,221.83x = 4,103,147.85
5. Step 5: Solve for x
   x = 4,103,147.85/2,221.83
6. Step 6: Final answer
   x = 1,846.75