Finding the Fourth Proportional to 47,220.50, 65,163.89 and 25,999.31

Step by Step Solution

1. Step 1: Write the proportion equation
   47,220.50 : 65,163.89 = 25,999.31 : x
2. Step 2: Convert to fraction form
   47,220.50/65,163.89 = 25,999.31/x
3. Step 3: Cross multiply
   47,220.50x = 65,163.89 × 25,999.31
4. Step 4: Simplify right side
   47,220.50x = 1,694,216,404.82
5. Step 5: Solve for x
   x = 1,694,216,404.82/47,220.50
6. Step 6: Final answer
   x = 35,878.83