Finding the Fourth Proportional to 11,084.18, 16,621.39 and 4,153.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,084.18 : 16,621.39 = 4,153.82 : x
2. Step 2: Convert to fraction form
   11,084.18/16,621.39 = 4,153.82/x
3. Step 3: Cross multiply
   11,084.18x = 16,621.39 × 4,153.82
4. Step 4: Simplify right side
   11,084.18x = 69,042,262.21
5. Step 5: Solve for x
   x = 69,042,262.21/11,084.18
6. Step 6: Final answer
   x = 6,228.90