Finding the Fourth Proportional to 47,078.82, 64,969.70 and 25,859.25

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.82 : 64,969.70 = 25,859.25 : x
2. Step 2: Convert to fraction form
   47,078.82/64,969.70 = 25,859.25/x
3. Step 3: Cross multiply
   47,078.82x = 64,969.70 × 25,859.25
4. Step 4: Simplify right side
   47,078.82x = 1,680,067,585.43
5. Step 5: Solve for x
   x = 1,680,067,585.43/47,078.82
6. Step 6: Final answer
   x = 35,686.27