Finding the Fourth Proportional to 9,518.96, 13,127.59 and 6,158.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.96 : 13,127.59 = 6,158.27 : x
2. Step 2: Convert to fraction form
   9,518.96/13,127.59 = 6,158.27/x
3. Step 3: Cross multiply
   9,518.96x = 13,127.59 × 6,158.27
4. Step 4: Simplify right side
   9,518.96x = 80,843,243.67
5. Step 5: Solve for x
   x = 80,843,243.67/9,518.96
6. Step 6: Final answer
   x = 8,492.87