Finding the Fourth Proportional to 2,767.25, 4,151.06 and 1,228.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.25 : 4,151.06 = 1,228.25 : x
2. Step 2: Convert to fraction form
   2,767.25/4,151.06 = 1,228.25/x
3. Step 3: Cross multiply
   2,767.25x = 4,151.06 × 1,228.25
4. Step 4: Simplify right side
   2,767.25x = 5,098,533.30
5. Step 5: Solve for x
   x = 5,098,533.30/2,767.25
6. Step 6: Final answer
   x = 1,842.45