Finding the Fourth Proportional to 25,022.72, 34,519.20 and 16,528.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,022.72 : 34,519.20 = 16,528.16 : x
2. Step 2: Convert to fraction form
   25,022.72/34,519.20 = 16,528.16/x
3. Step 3: Cross multiply
   25,022.72x = 34,519.20 × 16,528.16
4. Step 4: Simplify right side
   25,022.72x = 570,538,860.67
5. Step 5: Solve for x
   x = 570,538,860.67/25,022.72
6. Step 6: Final answer
   x = 22,800.83