Finding the Fourth Proportional to 8,150.78, 12,228.79 and 3,710.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.78 : 12,228.79 = 3,710.03 : x
2. Step 2: Convert to fraction form
   8,150.78/12,228.79 = 3,710.03/x
3. Step 3: Cross multiply
   8,150.78x = 12,228.79 × 3,710.03
4. Step 4: Simplify right side
   8,150.78x = 45,369,177.76
5. Step 5: Solve for x
   x = 45,369,177.76/8,150.78
6. Step 6: Final answer
   x = 5,566.24