Finding the Fourth Proportional to 82,496.42, 113,786.22 and 75,712.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,496.42 : 113,786.22 = 75,712.30 : x
2. Step 2: Convert to fraction form
   82,496.42/113,786.22 = 75,712.30/x
3. Step 3: Cross multiply
   82,496.42x = 113,786.22 × 75,712.30
4. Step 4: Simplify right side
   82,496.42x = 8,615,016,424.51
5. Step 5: Solve for x
   x = 8,615,016,424.51/82,496.42
6. Step 6: Final answer
   x = 104,428.97