Finding the Fourth Proportional to 65,535.72, 90,440.58 and 35,727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,535.72 : 90,440.58 = 35,727.72 : x
2. Step 2: Convert to fraction form
   65,535.72/90,440.58 = 35,727.72/x
3. Step 3: Cross multiply
   65,535.72x = 90,440.58 × 35,727.72
4. Step 4: Simplify right side
   65,535.72x = 3,231,235,718.88
5. Step 5: Solve for x
   x = 3,231,235,718.88/65,535.72
6. Step 6: Final answer
   x = 49,304.95