Finding the Fourth Proportional to 8,151.49, 12,224.59 and 2,603.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.49 : 12,224.59 = 2,603.53 : x
2. Step 2: Convert to fraction form
   8,151.49/12,224.59 = 2,603.53/x
3. Step 3: Cross multiply
   8,151.49x = 12,224.59 × 2,603.53
4. Step 4: Simplify right side
   8,151.49x = 31,827,086.80
5. Step 5: Solve for x
   x = 31,827,086.80/8,151.49
6. Step 6: Final answer
   x = 3,904.45