Finding the Fourth Proportional to 105,912.96, 158,889 and 34,839.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,912.96 : 158,889 = 34,839.60 : x
2. Step 2: Convert to fraction form
   105,912.96/158,889 = 34,839.60/x
3. Step 3: Cross multiply
   105,912.96x = 158,889 × 34,839.60
4. Step 4: Simplify right side
   105,912.96x = 5,535,629,204.40
5. Step 5: Solve for x
   x = 5,535,629,204.40/105,912.96
6. Step 6: Final answer
   x = 52,265.83