Finding the Fourth Proportional to 105,099.33, 157,647.94 and 48,157.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,099.33 : 157,647.94 = 48,157.09 : x
2. Step 2: Convert to fraction form
   105,099.33/157,647.94 = 48,157.09/x
3. Step 3: Cross multiply
   105,099.33x = 157,647.94 × 48,157.09
4. Step 4: Simplify right side
   105,099.33x = 7,591,866,034.89
5. Step 5: Solve for x
   x = 7,591,866,034.89/105,099.33
6. Step 6: Final answer
   x = 72,235.15