Finding the Fourth Proportional to 8,057.82, 12,089.76 and 3,127.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057.82 : 12,089.76 = 3,127.74 : x
2. Step 2: Convert to fraction form
   8,057.82/12,089.76 = 3,127.74/x
3. Step 3: Cross multiply
   8,057.82x = 12,089.76 × 3,127.74
4. Step 4: Simplify right side
   8,057.82x = 37,813,625.94
5. Step 5: Solve for x
   x = 37,813,625.94/8,057.82
6. Step 6: Final answer
   x = 4,692.79