Finding the Fourth Proportional to 10,977.24, 16,445.22 and 5,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,977.24 : 16,445.22 = 5,424.12 : x
2. Step 2: Convert to fraction form
   10,977.24/16,445.22 = 5,424.12/x
3. Step 3: Cross multiply
   10,977.24x = 16,445.22 × 5,424.12
4. Step 4: Simplify right side
   10,977.24x = 89,200,846.71
5. Step 5: Solve for x
   x = 89,200,846.71/10,977.24
6. Step 6: Final answer
   x = 8,125.98