Finding the Fourth Proportional to 11,741.89, 17,612.69 and 2,857.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,741.89 : 17,612.69 = 2,857.27 : x
2. Step 2: Convert to fraction form
   11,741.89/17,612.69 = 2,857.27/x
3. Step 3: Cross multiply
   11,741.89x = 17,612.69 × 2,857.27
4. Step 4: Simplify right side
   11,741.89x = 50,324,210.76
5. Step 5: Solve for x
   x = 50,324,210.76/11,741.89
6. Step 6: Final answer
   x = 4,285.87