Finding the Fourth Proportional to 105,964.37, 146,146.25 and 69,703.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,964.37 : 146,146.25 = 69,703.06 : x
2. Step 2: Convert to fraction form
   105,964.37/146,146.25 = 69,703.06/x
3. Step 3: Cross multiply
   105,964.37x = 146,146.25 × 69,703.06
4. Step 4: Simplify right side
   105,964.37x = 10,186,840,101.79
5. Step 5: Solve for x
   x = 10,186,840,101.79/105,964.37
6. Step 6: Final answer
   x = 96,134.58