Finding the Fourth Proportional to 11,443.77, 15,792.55 and 6,408.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.77 : 15,792.55 = 6,408.43 : x
2. Step 2: Convert to fraction form
   11,443.77/15,792.55 = 6,408.43/x
3. Step 3: Cross multiply
   11,443.77x = 15,792.55 × 6,408.43
4. Step 4: Simplify right side
   11,443.77x = 101,205,395.69
5. Step 5: Solve for x
   x = 101,205,395.69/11,443.77
6. Step 6: Final answer
   x = 8,843.71