Finding the Fourth Proportional to 10,824.86, 16,240.43 and 5,281.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,824.86 : 16,240.43 = 5,281.43 : x
2. Step 2: Convert to fraction form
   10,824.86/16,240.43 = 5,281.43/x
3. Step 3: Cross multiply
   10,824.86x = 16,240.43 × 5,281.43
4. Step 4: Simplify right side
   10,824.86x = 85,772,626.22
5. Step 5: Solve for x
   x = 85,772,626.22/10,824.86
6. Step 6: Final answer
   x = 7,923.67