Finding the Fourth Proportional to 25,060.25, 34,582.83 and 13,729.61

Step by Step Solution

1. Step 1: Write the proportion equation
   25,060.25 : 34,582.83 = 13,729.61 : x
2. Step 2: Convert to fraction form
   25,060.25/34,582.83 = 13,729.61/x
3. Step 3: Cross multiply
   25,060.25x = 34,582.83 × 13,729.61
4. Step 4: Simplify right side
   25,060.25x = 474,808,768.60
5. Step 5: Solve for x
   x = 474,808,768.60/25,060.25
6. Step 6: Final answer
   x = 18,946.69