Finding the Fourth Proportional to 11,231.89, 16,851.72 and 3,841.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231.89 : 16,851.72 = 3,841.55 : x
2. Step 2: Convert to fraction form
   11,231.89/16,851.72 = 3,841.55/x
3. Step 3: Cross multiply
   11,231.89x = 16,851.72 × 3,841.55
4. Step 4: Simplify right side
   11,231.89x = 64,736,724.97
5. Step 5: Solve for x
   x = 64,736,724.97/11,231.89
6. Step 6: Final answer
   x = 5,763.65