Finding the Fourth Proportional to 8,150.42, 12,225.50 and 2,603.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.42 : 12,225.50 = 2,603.73 : x
2. Step 2: Convert to fraction form
   8,150.42/12,225.50 = 2,603.73/x
3. Step 3: Cross multiply
   8,150.42x = 12,225.50 × 2,603.73
4. Step 4: Simplify right side
   8,150.42x = 31,831,826.97
5. Step 5: Solve for x
   x = 31,831,826.97/8,150.42
6. Step 6: Final answer
   x = 3,905.54