Finding the Fourth Proportional to 39,105.77, 53,951.82 and 25,684.30

Step by Step Solution

1. Step 1: Write the proportion equation
   39,105.77 : 53,951.82 = 25,684.30 : x
2. Step 2: Convert to fraction form
   39,105.77/53,951.82 = 25,684.30/x
3. Step 3: Cross multiply
   39,105.77x = 53,951.82 × 25,684.30
4. Step 4: Simplify right side
   39,105.77x = 1,385,714,730.43
5. Step 5: Solve for x
   x = 1,385,714,730.43/39,105.77
6. Step 6: Final answer
   x = 35,435.05