Finding the Fourth Proportional to 16,145.48, 22,275.06 and 10,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.48 : 22,275.06 = 10,559.72 : x
2. Step 2: Convert to fraction form
   16,145.48/22,275.06 = 10,559.72/x
3. Step 3: Cross multiply
   16,145.48x = 22,275.06 × 10,559.72
4. Step 4: Simplify right side
   16,145.48x = 235,218,396.58
5. Step 5: Solve for x
   x = 235,218,396.58/16,145.48
6. Step 6: Final answer
   x = 14,568.68