Finding the Fourth Proportional to 25,175.28, 34,743.60 and 16,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,175.28 : 34,743.60 = 16,662.72 : x
2. Step 2: Convert to fraction form
   25,175.28/34,743.60 = 16,662.72/x
3. Step 3: Cross multiply
   25,175.28x = 34,743.60 × 16,662.72
4. Step 4: Simplify right side
   25,175.28x = 578,922,878.59
5. Step 5: Solve for x
   x = 578,922,878.59/25,175.28
6. Step 6: Final answer
   x = 22,995.69