Finding the Fourth Proportional to 82,221.60, 113,429.60 and 48,212.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,221.60 : 113,429.60 = 48,212.82 : x
2. Step 2: Convert to fraction form
   82,221.60/113,429.60 = 48,212.82/x
3. Step 3: Cross multiply
   82,221.60x = 113,429.60 × 48,212.82
4. Step 4: Simplify right side
   82,221.60x = 5,468,760,887.47
5. Step 5: Solve for x
   x = 5,468,760,887.47/82,221.60
6. Step 6: Final answer
   x = 66,512.46