Finding the Fourth Proportional to 8,058.76, 12,072.38 and 5,559.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.76 : 12,072.38 = 5,559.56 : x
2. Step 2: Convert to fraction form
   8,058.76/12,072.38 = 5,559.56/x
3. Step 3: Cross multiply
   8,058.76x = 12,072.38 × 5,559.56
4. Step 4: Simplify right side
   8,058.76x = 67,117,120.95
5. Step 5: Solve for x
   x = 67,117,120.95/8,058.76
6. Step 6: Final answer
   x = 8,328.47