Finding the Fourth Proportional to 8,151.58, 12,222.78 and 2,603.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.58 : 12,222.78 = 2,603.62 : x
2. Step 2: Convert to fraction form
   8,151.58/12,222.78 = 2,603.62/x
3. Step 3: Cross multiply
   8,151.58x = 12,222.78 × 2,603.62
4. Step 4: Simplify right side
   8,151.58x = 31,823,474.46
5. Step 5: Solve for x
   x = 31,823,474.46/8,151.58
6. Step 6: Final answer
   x = 3,903.96