Finding the Fourth Proportional to 105,854.92, 146,074.33 and 62,836.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105,854.92 : 146,074.33 = 62,836.23 : x
2. Step 2: Convert to fraction form
   105,854.92/146,074.33 = 62,836.23/x
3. Step 3: Cross multiply
   105,854.92x = 146,074.33 × 62,836.23
4. Step 4: Simplify right side
   105,854.92x = 9,178,760,196.98
5. Step 5: Solve for x
   x = 9,178,760,196.98/105,854.92
6. Step 6: Final answer
   x = 86,710.76