Finding the Fourth Proportional to 8,057.12, 12,076.32 and 5,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057.12 : 12,076.32 = 5,056.52 : x
2. Step 2: Convert to fraction form
   8,057.12/12,076.32 = 5,056.52/x
3. Step 3: Cross multiply
   8,057.12x = 12,076.32 × 5,056.52
4. Step 4: Simplify right side
   8,057.12x = 61,064,153.61
5. Step 5: Solve for x
   x = 61,064,153.61/8,057.12
6. Step 6: Final answer
   x = 7,578.91