Finding the Fourth Proportional to 105,956.73, 146,258.69 and 70,158.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,956.73 : 146,258.69 = 70,158.29 : x
2. Step 2: Convert to fraction form
   105,956.73/146,258.69 = 70,158.29/x
3. Step 3: Cross multiply
   105,956.73x = 146,258.69 × 70,158.29
4. Step 4: Simplify right side
   105,956.73x = 10,261,258,505.96
5. Step 5: Solve for x
   x = 10,261,258,505.96/105,956.73
6. Step 6: Final answer
   x = 96,843.86