Finding the Fourth Proportional to 65,523.50, 90,422.49 and 35,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,523.50 : 90,422.49 = 35,715.50 : x
2. Step 2: Convert to fraction form
   65,523.50/90,422.49 = 35,715.50/x
3. Step 3: Cross multiply
   65,523.50x = 90,422.49 × 35,715.50
4. Step 4: Simplify right side
   65,523.50x = 3,229,484,441.60
5. Step 5: Solve for x
   x = 3,229,484,441.60/65,523.50
6. Step 6: Final answer
   x = 49,287.42