Finding the Fourth Proportional to 82,238.22, 113,489.69 and 48,247.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,238.22 : 113,489.69 = 48,247.31 : x
2. Step 2: Convert to fraction form
   82,238.22/113,489.69 = 48,247.31/x
3. Step 3: Cross multiply
   82,238.22x = 113,489.69 × 48,247.31
4. Step 4: Simplify right side
   82,238.22x = 5,475,572,297.72
5. Step 5: Solve for x
   x = 5,475,572,297.72/82,238.22
6. Step 6: Final answer
   x = 66,581.84