Finding the Fourth Proportional to 25,805.86, 38,719.72 and 14,105.41

Step by Step Solution

1. Step 1: Write the proportion equation
   25,805.86 : 38,719.72 = 14,105.41 : x
2. Step 2: Convert to fraction form
   25,805.86/38,719.72 = 14,105.41/x
3. Step 3: Cross multiply
   25,805.86x = 38,719.72 × 14,105.41
4. Step 4: Simplify right side
   25,805.86x = 546,157,446.52
5. Step 5: Solve for x
   x = 546,157,446.52/25,805.86
6. Step 6: Final answer
   x = 21,164.09