Finding the Fourth Proportional to 10,443.60, 14,411.98 and 5,906.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.60 : 14,411.98 = 5,906.21 : x
2. Step 2: Convert to fraction form
   10,443.60/14,411.98 = 5,906.21/x
3. Step 3: Cross multiply
   10,443.60x = 14,411.98 × 5,906.21
4. Step 4: Simplify right side
   10,443.60x = 85,120,180.40
5. Step 5: Solve for x
   x = 85,120,180.40/10,443.60
6. Step 6: Final answer
   x = 8,150.46