Finding the Fourth Proportional to 8,150.69, 12,225.91 and 2,603.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.69 : 12,225.91 = 2,603.96 : x
2. Step 2: Convert to fraction form
   8,150.69/12,225.91 = 2,603.96/x
3. Step 3: Cross multiply
   8,150.69x = 12,225.91 × 2,603.96
4. Step 4: Simplify right side
   8,150.69x = 31,835,712.96
5. Step 5: Solve for x
   x = 31,835,712.96/8,150.69
6. Step 6: Final answer
   x = 3,905.89