Finding the Fourth Proportional to 82,630.72, 123,944.64 and 27,227.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,630.72 : 123,944.64 = 27,227.20 : x
2. Step 2: Convert to fraction form
   82,630.72/123,944.64 = 27,227.20/x
3. Step 3: Cross multiply
   82,630.72x = 123,944.64 × 27,227.20
4. Step 4: Simplify right side
   82,630.72x = 3,374,665,502.21
5. Step 5: Solve for x
   x = 3,374,665,502.21/82,630.72
6. Step 6: Final answer
   x = 40,840.33