Finding the Fourth Proportional to 65,880.27, 90,914.36 and 35,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,880.27 : 90,914.36 = 35,665.38 : x
2. Step 2: Convert to fraction form
   65,880.27/90,914.36 = 35,665.38/x
3. Step 3: Cross multiply
   65,880.27x = 90,914.36 × 35,665.38
4. Step 4: Simplify right side
   65,880.27x = 3,242,494,563.96
5. Step 5: Solve for x
   x = 3,242,494,563.96/65,880.27
6. Step 6: Final answer
   x = 49,217.99