Finding the Fourth Proportional to 10,968.10, 16,441.35 and 5,422.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,968.10 : 16,441.35 = 5,422.30 : x
2. Step 2: Convert to fraction form
   10,968.10/16,441.35 = 5,422.30/x
3. Step 3: Cross multiply
   10,968.10x = 16,441.35 × 5,422.30
4. Step 4: Simplify right side
   10,968.10x = 89,149,932.11
5. Step 5: Solve for x
   x = 89,149,932.11/10,968.10
6. Step 6: Final answer
   x = 8,128.11