Finding the Fourth Proportional to 65,525.50, 90,425.25 and 35,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,525.50 : 90,425.25 = 35,717.50 : x
2. Step 2: Convert to fraction form
   65,525.50/90,425.25 = 35,717.50/x
3. Step 3: Cross multiply
   65,525.50x = 90,425.25 × 35,717.50
4. Step 4: Simplify right side
   65,525.50x = 3,229,763,866.88
5. Step 5: Solve for x
   x = 3,229,763,866.88/65,525.50
6. Step 6: Final answer
   x = 49,290.18