Finding the Fourth Proportional to 25,638.53, 34,906.55 and 25,559.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,638.53 : 34,906.55 = 25,559.55 : x
2. Step 2: Convert to fraction form
   25,638.53/34,906.55 = 25,559.55/x
3. Step 3: Cross multiply
   25,638.53x = 34,906.55 × 25,559.55
4. Step 4: Simplify right side
   25,638.53x = 892,195,582.25
5. Step 5: Solve for x
   x = 892,195,582.25/25,638.53
6. Step 6: Final answer
   x = 34,799.02