Finding the Fourth Proportional to 82,221.05, 113,452.89 and 48,216.71

Step by Step Solution

1. Step 1: Write the proportion equation
   82,221.05 : 113,452.89 = 48,216.71 : x
2. Step 2: Convert to fraction form
   82,221.05/113,452.89 = 48,216.71/x
3. Step 3: Cross multiply
   82,221.05x = 113,452.89 × 48,216.71
4. Step 4: Simplify right side
   82,221.05x = 5,470,325,095.79
5. Step 5: Solve for x
   x = 5,470,325,095.79/82,221.05
6. Step 6: Final answer
   x = 66,531.93