Finding the Fourth Proportional to 65,564.50, 90,479.10 and 35,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,564.50 : 90,479.10 = 35,756.50 : x
2. Step 2: Convert to fraction form
   65,564.50/90,479.10 = 35,756.50/x
3. Step 3: Cross multiply
   65,564.50x = 90,479.10 × 35,756.50
4. Step 4: Simplify right side
   65,564.50x = 3,235,215,939.15
5. Step 5: Solve for x
   x = 3,235,215,939.15/65,564.50
6. Step 6: Final answer
   x = 49,344.02