Finding the Fourth Proportional to 65,174.50, 89,940.81 and 35,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,174.50 : 89,940.81 = 35,366.50 : x
2. Step 2: Convert to fraction form
   65,174.50/89,940.81 = 35,366.50/x
3. Step 3: Cross multiply
   65,174.50x = 89,940.81 × 35,366.50
4. Step 4: Simplify right side
   65,174.50x = 3,180,891,656.87
5. Step 5: Solve for x
   x = 3,180,891,656.87/65,174.50
6. Step 6: Final answer
   x = 48,805.77