Finding the Fourth Proportional to 64,971.34, 89,660.46 and 35,163.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,971.34 : 89,660.46 = 35,163.34 : x
2. Step 2: Convert to fraction form
   64,971.34/89,660.46 = 35,163.34/x
3. Step 3: Cross multiply
   64,971.34x = 89,660.46 × 35,163.34
4. Step 4: Simplify right side
   64,971.34x = 3,152,761,239.54
5. Step 5: Solve for x
   x = 3,152,761,239.54/64,971.34
6. Step 6: Final answer
   x = 48,525.42