Finding the Fourth Proportional to 200,581.95, 301,018.73 and 82,338.15

Step by Step Solution

1. Step 1: Write the proportion equation
   200,581.95 : 301,018.73 = 82,338.15 : x
2. Step 2: Convert to fraction form
   200,581.95/301,018.73 = 82,338.15/x
3. Step 3: Cross multiply
   200,581.95x = 301,018.73 × 82,338.15
4. Step 4: Simplify right side
   200,581.95x = 24,785,324,931.86
5. Step 5: Solve for x
   x = 24,785,324,931.86/200,581.95
6. Step 6: Final answer
   x = 123,567.08