Finding the Fourth Proportional to 25,849.38, 38,779.71 and 8,081.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,849.38 : 38,779.71 = 8,081.37 : x
2. Step 2: Convert to fraction form
   25,849.38/38,779.71 = 8,081.37/x
3. Step 3: Cross multiply
   25,849.38x = 38,779.71 × 8,081.37
4. Step 4: Simplify right side
   25,849.38x = 313,393,144.60
5. Step 5: Solve for x
   x = 313,393,144.60/25,849.38
6. Step 6: Final answer
   x = 12,123.82