Finding the Fourth Proportional to 2,774.33, 4,162.77 and 1,214.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.33 : 4,162.77 = 1,214.12 : x
2. Step 2: Convert to fraction form
   2,774.33/4,162.77 = 1,214.12/x
3. Step 3: Cross multiply
   2,774.33x = 4,162.77 × 1,214.12
4. Step 4: Simplify right side
   2,774.33x = 5,054,081.50
5. Step 5: Solve for x
   x = 5,054,081.50/2,774.33
6. Step 6: Final answer
   x = 1,821.73