Finding the Fourth Proportional to 25,216.35, 34,766.04 and 20,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,216.35 : 34,766.04 = 20,662.10 : x
2. Step 2: Convert to fraction form
   25,216.35/34,766.04 = 20,662.10/x
3. Step 3: Cross multiply
   25,216.35x = 34,766.04 × 20,662.10
4. Step 4: Simplify right side
   25,216.35x = 718,339,429.11
5. Step 5: Solve for x
   x = 718,339,429.11/25,216.35
6. Step 6: Final answer
   x = 28,487.05