Finding the Fourth Proportional to 105,759.77, 158,428.15 and 63,616.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,759.77 : 158,428.15 = 63,616.55 : x
2. Step 2: Convert to fraction form
   105,759.77/158,428.15 = 63,616.55/x
3. Step 3: Cross multiply
   105,759.77x = 158,428.15 × 63,616.55
4. Step 4: Simplify right side
   105,759.77x = 10,078,651,374.70
5. Step 5: Solve for x
   x = 10,078,651,374.70/105,759.77
6. Step 6: Final answer
   x = 95,297.60