Finding the Fourth Proportional to 11,240.76, 16,842.69 and 3,841.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,240.76 : 16,842.69 = 3,841.20 : x
2. Step 2: Convert to fraction form
   11,240.76/16,842.69 = 3,841.20/x
3. Step 3: Cross multiply
   11,240.76x = 16,842.69 × 3,841.20
4. Step 4: Simplify right side
   11,240.76x = 64,696,140.83
5. Step 5: Solve for x
   x = 64,696,140.83/11,240.76
6. Step 6: Final answer
   x = 5,755.50