Finding the Fourth Proportional to 8,943.30, 12,341.82 and 5,408.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,943.30 : 12,341.82 = 5,408.86 : x
2. Step 2: Convert to fraction form
   8,943.30/12,341.82 = 5,408.86/x
3. Step 3: Cross multiply
   8,943.30x = 12,341.82 × 5,408.86
4. Step 4: Simplify right side
   8,943.30x = 66,755,176.53
5. Step 5: Solve for x
   x = 66,755,176.53/8,943.30
6. Step 6: Final answer
   x = 7,464.27