Finding the Fourth Proportional to 2,222.16, 3,066.84 and 1,326.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.16 : 3,066.84 = 1,326.12 : x
2. Step 2: Convert to fraction form
   2,222.16/3,066.84 = 1,326.12/x
3. Step 3: Cross multiply
   2,222.16x = 3,066.84 × 1,326.12
4. Step 4: Simplify right side
   2,222.16x = 4,066,997.86
5. Step 5: Solve for x
   x = 4,066,997.86/2,222.16
6. Step 6: Final answer
   x = 1,830.20