Finding the Fourth Proportional to 47,105.86, 65,004.78 and 25,885.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,105.86 : 65,004.78 = 25,885.12 : x
2. Step 2: Convert to fraction form
   47,105.86/65,004.78 = 25,885.12/x
3. Step 3: Cross multiply
   47,105.86x = 65,004.78 × 25,885.12
4. Step 4: Simplify right side
   47,105.86x = 1,682,656,530.87
5. Step 5: Solve for x
   x = 1,682,656,530.87/47,105.86
6. Step 6: Final answer
   x = 35,720.75