Finding the Fourth Proportional to 42,277.92, 58,249.56 and 27,912.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,277.92 : 58,249.56 = 27,912.15 : x
2. Step 2: Convert to fraction form
   42,277.92/58,249.56 = 27,912.15/x
3. Step 3: Cross multiply
   42,277.92x = 58,249.56 × 27,912.15
4. Step 4: Simplify right side
   42,277.92x = 1,625,870,456.15
5. Step 5: Solve for x
   x = 1,625,870,456.15/42,277.92
6. Step 6: Final answer
   x = 38,456.73