Finding the Fourth Proportional to 16,288.86, 22,467.04 and 14,948.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,288.86 : 22,467.04 = 14,948.80 : x
2. Step 2: Convert to fraction form
   16,288.86/22,467.04 = 14,948.80/x
3. Step 3: Cross multiply
   16,288.86x = 22,467.04 × 14,948.80
4. Step 4: Simplify right side
   16,288.86x = 335,855,100.47
5. Step 5: Solve for x
   x = 335,855,100.47/16,288.86
6. Step 6: Final answer
   x = 20,618.71