Finding the Fourth Proportional to 8,039.15, 12,058.61 and 4,877.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,039.15 : 12,058.61 = 4,877.34 : x
2. Step 2: Convert to fraction form
   8,039.15/12,058.61 = 4,877.34/x
3. Step 3: Cross multiply
   8,039.15x = 12,058.61 × 4,877.34
4. Step 4: Simplify right side
   8,039.15x = 58,813,940.90
5. Step 5: Solve for x
   x = 58,813,940.90/8,039.15
6. Step 6: Final answer
   x = 7,315.94