Finding the Fourth Proportional to 11,111.92, 16,659.68 and 4,088.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.92 : 16,659.68 = 4,088.27 : x
2. Step 2: Convert to fraction form
   11,111.92/16,659.68 = 4,088.27/x
3. Step 3: Cross multiply
   11,111.92x = 16,659.68 × 4,088.27
4. Step 4: Simplify right side
   11,111.92x = 68,109,291.16
5. Step 5: Solve for x
   x = 68,109,291.16/11,111.92
6. Step 6: Final answer
   x = 6,129.39