Finding the Fourth Proportional to 1,846.56, 2,764.56 and 1,228.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.56 : 2,764.56 = 1,228.80 : x
2. Step 2: Convert to fraction form
   1,846.56/2,764.56 = 1,228.80/x
3. Step 3: Cross multiply
   1,846.56x = 2,764.56 × 1,228.80
4. Step 4: Simplify right side
   1,846.56x = 3,397,091.33
5. Step 5: Solve for x
   x = 3,397,091.33/1,846.56
6. Step 6: Final answer
   x = 1,839.69