Finding the Fourth Proportional to 8,058.50, 12,106.28 and 5,724.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.50 : 12,106.28 = 5,724.18 : x
2. Step 2: Convert to fraction form
   8,058.50/12,106.28 = 5,724.18/x
3. Step 3: Cross multiply
   8,058.50x = 12,106.28 × 5,724.18
4. Step 4: Simplify right side
   8,058.50x = 69,298,525.85
5. Step 5: Solve for x
   x = 69,298,525.85/8,058.50
6. Step 6: Final answer
   x = 8,599.43