Finding the Fourth Proportional to 10,971.57, 16,452.41 and 5,422.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.57 : 16,452.41 = 5,422.75 : x
2. Step 2: Convert to fraction form
   10,971.57/16,452.41 = 5,422.75/x
3. Step 3: Cross multiply
   10,971.57x = 16,452.41 × 5,422.75
4. Step 4: Simplify right side
   10,971.57x = 89,217,306.33
5. Step 5: Solve for x
   x = 89,217,306.33/10,971.57
6. Step 6: Final answer
   x = 8,131.68