Finding the Fourth Proportional to 8,270.77, 12,398.86 and 3,073

Step by Step Solution

1. Step 1: Write the proportion equation
   8,270.77 : 12,398.86 = 3,073 : x
2. Step 2: Convert to fraction form
   8,270.77/12,398.86 = 3,073/x
3. Step 3: Cross multiply
   8,270.77x = 12,398.86 × 3,073
4. Step 4: Simplify right side
   8,270.77x = 38,101,696.78
5. Step 5: Solve for x
   x = 38,101,696.78/8,270.77
6. Step 6: Final answer
   x = 4,606.79