Finding the Fourth Proportional to 108,072.54, 162,105.32 and 48,908.21

Step by Step Solution

1. Step 1: Write the proportion equation
   108,072.54 : 162,105.32 = 48,908.21 : x
2. Step 2: Convert to fraction form
   108,072.54/162,105.32 = 48,908.21/x
3. Step 3: Cross multiply
   108,072.54x = 162,105.32 × 48,908.21
4. Step 4: Simplify right side
   108,072.54x = 7,928,280,344.42
5. Step 5: Solve for x
   x = 7,928,280,344.42/108,072.54
6. Step 6: Final answer
   x = 73,360.73