Finding the Fourth Proportional to 105,959.77, 146,262.84 and 70,161.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,959.77 : 146,262.84 = 70,161.31 : x
2. Step 2: Convert to fraction form
   105,959.77/146,262.84 = 70,161.31/x
3. Step 3: Cross multiply
   105,959.77x = 146,262.84 × 70,161.31
4. Step 4: Simplify right side
   105,959.77x = 10,261,992,458.72
5. Step 5: Solve for x
   x = 10,261,992,458.72/105,959.77
6. Step 6: Final answer
   x = 96,848.01