Finding the Fourth Proportional to 65,179.50, 89,947.72 and 35,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,179.50 : 89,947.72 = 35,371.50 : x
2. Step 2: Convert to fraction form
   65,179.50/89,947.72 = 35,371.50/x
3. Step 3: Cross multiply
   65,179.50x = 89,947.72 × 35,371.50
4. Step 4: Simplify right side
   65,179.50x = 3,181,585,777.98
5. Step 5: Solve for x
   x = 3,181,585,777.98/65,179.50
6. Step 6: Final answer
   x = 48,812.68