Finding the Fourth Proportional to 10,131.05, 15,146.62 and 8,588.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.05 : 15,146.62 = 8,588.27 : x
2. Step 2: Convert to fraction form
   10,131.05/15,146.62 = 8,588.27/x
3. Step 3: Cross multiply
   10,131.05x = 15,146.62 × 8,588.27
4. Step 4: Simplify right side
   10,131.05x = 130,083,262.15
5. Step 5: Solve for x
   x = 130,083,262.15/10,131.05
6. Step 6: Final answer
   x = 12,840.06