Finding the Fourth Proportional to 82,660.71, 123,944.37 and 75,607.63

Step by Step Solution

1. Step 1: Write the proportion equation
   82,660.71 : 123,944.37 = 75,607.63 : x
2. Step 2: Convert to fraction form
   82,660.71/123,944.37 = 75,607.63/x
3. Step 3: Cross multiply
   82,660.71x = 123,944.37 × 75,607.63
4. Step 4: Simplify right side
   82,660.71x = 9,371,140,067.54
5. Step 5: Solve for x
   x = 9,371,140,067.54/82,660.71
6. Step 6: Final answer
   x = 113,368.73