Finding the Fourth Proportional to 64,816.50, 89,446.83 and 35,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,816.50 : 89,446.83 = 35,008.50 : x
2. Step 2: Convert to fraction form
   64,816.50/89,446.83 = 35,008.50/x
3. Step 3: Cross multiply
   64,816.50x = 89,446.83 × 35,008.50
4. Step 4: Simplify right side
   64,816.50x = 3,131,399,348.06
5. Step 5: Solve for x
   x = 3,131,399,348.06/64,816.50
6. Step 6: Final answer
   x = 48,311.76