Finding the Fourth Proportional to 14,950.16, 20,626.55 and 8,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,950.16 : 20,626.55 = 8,488.72 : x
2. Step 2: Convert to fraction form
   14,950.16/20,626.55 = 8,488.72/x
3. Step 3: Cross multiply
   14,950.16x = 20,626.55 × 8,488.72
4. Step 4: Simplify right side
   14,950.16x = 175,093,007.52
5. Step 5: Solve for x
   x = 175,093,007.52/14,950.16
6. Step 6: Final answer
   x = 11,711.78