Finding the Fourth Proportional to 2,784.78, 3,838.59 and 2,224.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.78 : 3,838.59 = 2,224.26 : x
2. Step 2: Convert to fraction form
   2,784.78/3,838.59 = 2,224.26/x
3. Step 3: Cross multiply
   2,784.78x = 3,838.59 × 2,224.26
4. Step 4: Simplify right side
   2,784.78x = 8,538,022.19
5. Step 5: Solve for x
   x = 8,538,022.19/2,784.78
6. Step 6: Final answer
   x = 3,065.96