Finding the Fourth Proportional to 11,402.60, 17,108.01 and 8,141.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,402.60 : 17,108.01 = 8,141.27 : x
2. Step 2: Convert to fraction form
   11,402.60/17,108.01 = 8,141.27/x
3. Step 3: Cross multiply
   11,402.60x = 17,108.01 × 8,141.27
4. Step 4: Simplify right side
   11,402.60x = 139,280,843.03
5. Step 5: Solve for x
   x = 139,280,843.03/11,402.60
6. Step 6: Final answer
   x = 12,214.84