Finding the Fourth Proportional to 65,584.50, 90,506.70 and 35,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,584.50 : 90,506.70 = 35,776.50 : x
2. Step 2: Convert to fraction form
   65,584.50/90,506.70 = 35,776.50/x
3. Step 3: Cross multiply
   65,584.50x = 90,506.70 × 35,776.50
4. Step 4: Simplify right side
   65,584.50x = 3,238,012,952.55
5. Step 5: Solve for x
   x = 3,238,012,952.55/65,584.50
6. Step 6: Final answer
   x = 49,371.62