Finding the Fourth Proportional to 2,222.45, 3,066.99 and 1,214.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.45 : 3,066.99 = 1,214.17 : x
2. Step 2: Convert to fraction form
   2,222.45/3,066.99 = 1,214.17/x
3. Step 3: Cross multiply
   2,222.45x = 3,066.99 × 1,214.17
4. Step 4: Simplify right side
   2,222.45x = 3,723,847.25
5. Step 5: Solve for x
   x = 3,723,847.25/2,222.45
6. Step 6: Final answer
   x = 1,675.56