Finding the Fourth Proportional to 8,682.89, 11,982.27 and 5,146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,682.89 : 11,982.27 = 5,146.16 : x
2. Step 2: Convert to fraction form
   8,682.89/11,982.27 = 5,146.16/x
3. Step 3: Cross multiply
   8,682.89x = 11,982.27 × 5,146.16
4. Step 4: Simplify right side
   8,682.89x = 61,662,618.67
5. Step 5: Solve for x
   x = 61,662,618.67/8,682.89
6. Step 6: Final answer
   x = 7,101.63