Finding the Fourth Proportional to 65,173.50, 89,939.43 and 35,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,173.50 : 89,939.43 = 35,365.50 : x
2. Step 2: Convert to fraction form
   65,173.50/89,939.43 = 35,365.50/x
3. Step 3: Cross multiply
   65,173.50x = 89,939.43 × 35,365.50
4. Step 4: Simplify right side
   65,173.50x = 3,180,752,911.67
5. Step 5: Solve for x
   x = 3,180,752,911.67/65,173.50
6. Step 6: Final answer
   x = 48,804.39