Finding the Fourth Proportional to 16,151.72, 22,288.52 and 9,077.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,151.72 : 22,288.52 = 9,077.68 : x
2. Step 2: Convert to fraction form
   16,151.72/22,288.52 = 9,077.68/x
3. Step 3: Cross multiply
   16,151.72x = 22,288.52 × 9,077.68
4. Step 4: Simplify right side
   16,151.72x = 202,328,052.23
5. Step 5: Solve for x
   x = 202,328,052.23/16,151.72
6. Step 6: Final answer
   x = 12,526.72