Finding the Fourth Proportional to 105,295.88, 158,017.62 and 60,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,295.88 : 158,017.62 = 60,861.50 : x
2. Step 2: Convert to fraction form
   105,295.88/158,017.62 = 60,861.50/x
3. Step 3: Cross multiply
   105,295.88x = 158,017.62 × 60,861.50
4. Step 4: Simplify right side
   105,295.88x = 9,617,188,589.54
5. Step 5: Solve for x
   x = 9,617,188,589.54/105,295.88
6. Step 6: Final answer
   x = 91,334.90