Finding the Fourth Proportional to 105,912.72, 158,627.16 and 50,547.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,912.72 : 158,627.16 = 50,547.60 : x
2. Step 2: Convert to fraction form
   105,912.72/158,627.16 = 50,547.60/x
3. Step 3: Cross multiply
   105,912.72x = 158,627.16 × 50,547.60
4. Step 4: Simplify right side
   105,912.72x = 8,018,222,232.82
5. Step 5: Solve for x
   x = 8,018,222,232.82/105,912.72
6. Step 6: Final answer
   x = 75,705.94