Finding the Fourth Proportional to 11,436.52, 17,157.62 and 8,141.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.52 : 17,157.62 = 8,141.44 : x
2. Step 2: Convert to fraction form
   11,436.52/17,157.62 = 8,141.44/x
3. Step 3: Cross multiply
   11,436.52x = 17,157.62 × 8,141.44
4. Step 4: Simplify right side
   11,436.52x = 139,687,733.77
5. Step 5: Solve for x
   x = 139,687,733.77/11,436.52
6. Step 6: Final answer
   x = 12,214.18