Finding the Fourth Proportional to 82,216.59, 113,422.71 and 48,207.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,216.59 : 113,422.71 = 48,207.81 : x
2. Step 2: Convert to fraction form
   82,216.59/113,422.71 = 48,207.81/x
3. Step 3: Cross multiply
   82,216.59x = 113,422.71 × 48,207.81
4. Step 4: Simplify right side
   82,216.59x = 5,467,860,453.37
5. Step 5: Solve for x
   x = 5,467,860,453.37/82,216.59
6. Step 6: Final answer
   x = 66,505.56