Finding the Fourth Proportional to 64,949.50, 89,630.31 and 35,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,949.50 : 89,630.31 = 35,141.50 : x
2. Step 2: Convert to fraction form
   64,949.50/89,630.31 = 35,141.50/x
3. Step 3: Cross multiply
   64,949.50x = 89,630.31 × 35,141.50
4. Step 4: Simplify right side
   64,949.50x = 3,149,743,538.87
5. Step 5: Solve for x
   x = 3,149,743,538.87/64,949.50
6. Step 6: Final answer
   x = 48,495.27