Finding the Fourth Proportional to 25,662.56, 35,394.72 and 17,718.08

Step by Step Solution

1. Step 1: Write the proportion equation
   25,662.56 : 35,394.72 = 17,718.08 : x
2. Step 2: Convert to fraction form
   25,662.56/35,394.72 = 17,718.08/x
3. Step 3: Cross multiply
   25,662.56x = 35,394.72 × 17,718.08
4. Step 4: Simplify right side
   25,662.56x = 627,126,480.54
5. Step 5: Solve for x
   x = 627,126,480.54/25,662.56
6. Step 6: Final answer
   x = 24,437.41