Finding the Fourth Proportional to 73,258.50, 101,096.78 and 39,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,258.50 : 101,096.78 = 39,724.50 : x
2. Step 2: Convert to fraction form
   73,258.50/101,096.78 = 39,724.50/x
3. Step 3: Cross multiply
   73,258.50x = 101,096.78 × 39,724.50
4. Step 4: Simplify right side
   73,258.50x = 4,016,019,037.11
5. Step 5: Solve for x
   x = 4,016,019,037.11/73,258.50
6. Step 6: Final answer
   x = 54,819.84