Finding the Fourth Proportional to 2,774.22, 4,162.55 and 1,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.22 : 4,162.55 = 1,314.42 : x
2. Step 2: Convert to fraction form
   2,774.22/4,162.55 = 1,314.42/x
3. Step 3: Cross multiply
   2,774.22x = 4,162.55 × 1,314.42
4. Step 4: Simplify right side
   2,774.22x = 5,471,332.40
5. Step 5: Solve for x
   x = 5,471,332.40/2,774.22
6. Step 6: Final answer
   x = 1,972.21