Finding the Fourth Proportional to 105,821.93, 146,040.83 and 69,949.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,821.93 : 146,040.83 = 69,949.73 : x
2. Step 2: Convert to fraction form
   105,821.93/146,040.83 = 69,949.73/x
3. Step 3: Cross multiply
   105,821.93x = 146,040.83 × 69,949.73
4. Step 4: Simplify right side
   105,821.93x = 10,215,516,627.48
5. Step 5: Solve for x
   x = 10,215,516,627.48/105,821.93
6. Step 6: Final answer
   x = 96,534.97