Finding the Fourth Proportional to 2,048.22, 3,073.47 and 1,228.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.22 : 3,073.47 = 1,228.05 : x
2. Step 2: Convert to fraction form
   2,048.22/3,073.47 = 1,228.05/x
3. Step 3: Cross multiply
   2,048.22x = 3,073.47 × 1,228.05
4. Step 4: Simplify right side
   2,048.22x = 3,774,374.83
5. Step 5: Solve for x
   x = 3,774,374.83/2,048.22
6. Step 6: Final answer
   x = 1,842.76