Finding the Fourth Proportional to 105,936.72, 158,663.16 and 50,571.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,936.72 : 158,663.16 = 50,571.60 : x
2. Step 2: Convert to fraction form
   105,936.72/158,663.16 = 50,571.60/x
3. Step 3: Cross multiply
   105,936.72x = 158,663.16 × 50,571.60
4. Step 4: Simplify right side
   105,936.72x = 8,023,849,862.26
5. Step 5: Solve for x
   x = 8,023,849,862.26/105,936.72
6. Step 6: Final answer
   x = 75,741.91