Finding the Fourth Proportional to 8,150.78, 12,216.83 and 3,703.66

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.78 : 12,216.83 = 3,703.66 : x
2. Step 2: Convert to fraction form
   8,150.78/12,216.83 = 3,703.66/x
3. Step 3: Cross multiply
   8,150.78x = 12,216.83 × 3,703.66
4. Step 4: Simplify right side
   8,150.78x = 45,246,923.51
5. Step 5: Solve for x
   x = 45,246,923.51/8,150.78
6. Step 6: Final answer
   x = 5,551.24