Finding the Fourth Proportional to 2,682.37, 4,021.39 and 1,222.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.37 : 4,021.39 = 1,222.48 : x
2. Step 2: Convert to fraction form
   2,682.37/4,021.39 = 1,222.48/x
3. Step 3: Cross multiply
   2,682.37x = 4,021.39 × 1,222.48
4. Step 4: Simplify right side
   2,682.37x = 4,916,068.85
5. Step 5: Solve for x
   x = 4,916,068.85/2,682.37
6. Step 6: Final answer
   x = 1,832.73