Finding the Fourth Proportional to 13,028.88, 17,981.49 and 7,363.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.88 : 17,981.49 = 7,363.91 : x
2. Step 2: Convert to fraction form
   13,028.88/17,981.49 = 7,363.91/x
3. Step 3: Cross multiply
   13,028.88x = 17,981.49 × 7,363.91
4. Step 4: Simplify right side
   13,028.88x = 132,414,146.59
5. Step 5: Solve for x
   x = 132,414,146.59/13,028.88
6. Step 6: Final answer
   x = 10,163.12