Finding the Fourth Proportional to 47,106.78, 65,007.72 and 25,886.40

Step by Step Solution

1. Step 1: Write the proportion equation
   47,106.78 : 65,007.72 = 25,886.40 : x
2. Step 2: Convert to fraction form
   47,106.78/65,007.72 = 25,886.40/x
3. Step 3: Cross multiply
   47,106.78x = 65,007.72 × 25,886.40
4. Step 4: Simplify right side
   47,106.78x = 1,682,815,843.01
5. Step 5: Solve for x
   x = 1,682,815,843.01/47,106.78
6. Step 6: Final answer
   x = 35,723.43