Finding the Fourth Proportional to 14,826.86, 20,460.28 and 8,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,826.86 : 20,460.28 = 8,111.18 : x
2. Step 2: Convert to fraction form
   14,826.86/20,460.28 = 8,111.18/x
3. Step 3: Cross multiply
   14,826.86x = 20,460.28 × 8,111.18
4. Step 4: Simplify right side
   14,826.86x = 165,957,013.93
5. Step 5: Solve for x
   x = 165,957,013.93/14,826.86
6. Step 6: Final answer
   x = 11,193.00