Finding the Fourth Proportional to 1,848.20, 2,768.49 and 1,229.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,848.20 : 2,768.49 = 1,229.91 : x
2. Step 2: Convert to fraction form
   1,848.20/2,768.49 = 1,229.91/x
3. Step 3: Cross multiply
   1,848.20x = 2,768.49 × 1,229.91
4. Step 4: Simplify right side
   1,848.20x = 3,404,993.54
5. Step 5: Solve for x
   x = 3,404,993.54/1,848.20
6. Step 6: Final answer
   x = 1,842.33