Finding the Fourth Proportional to 7,249.88, 10,866.54 and 3,083.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,249.88 : 10,866.54 = 3,083.78 : x
2. Step 2: Convert to fraction form
   7,249.88/10,866.54 = 3,083.78/x
3. Step 3: Cross multiply
   7,249.88x = 10,866.54 × 3,083.78
4. Step 4: Simplify right side
   7,249.88x = 33,510,018.72
5. Step 5: Solve for x
   x = 33,510,018.72/7,249.88
6. Step 6: Final answer
   x = 4,622.15