Finding the Fourth Proportional to 2,783.27, 4,176.34 and 1,224.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.27 : 4,176.34 = 1,224.36 : x
2. Step 2: Convert to fraction form
   2,783.27/4,176.34 = 1,224.36/x
3. Step 3: Cross multiply
   2,783.27x = 4,176.34 × 1,224.36
4. Step 4: Simplify right side
   2,783.27x = 5,113,340.58
5. Step 5: Solve for x
   x = 5,113,340.58/2,783.27
6. Step 6: Final answer
   x = 1,837.17