Finding the Fourth Proportional to 2,051.16, 3,076.56 and 1,228.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.16 : 3,076.56 = 1,228.83 : x
2. Step 2: Convert to fraction form
   2,051.16/3,076.56 = 1,228.83/x
3. Step 3: Cross multiply
   2,051.16x = 3,076.56 × 1,228.83
4. Step 4: Simplify right side
   2,051.16x = 3,780,569.22
5. Step 5: Solve for x
   x = 3,780,569.22/2,051.16
6. Step 6: Final answer
   x = 1,843.14