Finding the Fourth Proportional to 105,962.97, 146,229.31 and 60,641.71

Step by Step Solution

1. Step 1: Write the proportion equation
   105,962.97 : 146,229.31 = 60,641.71 : x
2. Step 2: Convert to fraction form
   105,962.97/146,229.31 = 60,641.71/x
3. Step 3: Cross multiply
   105,962.97x = 146,229.31 × 60,641.71
4. Step 4: Simplify right side
   105,962.97x = 8,867,595,334.55
5. Step 5: Solve for x
   x = 8,867,595,334.55/105,962.97
6. Step 6: Final answer
   x = 83,685.80