Finding the Fourth Proportional to 9,411.39, 14,120.73 and 5,511.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.39 : 14,120.73 = 5,511.24 : x
2. Step 2: Convert to fraction form
   9,411.39/14,120.73 = 5,511.24/x
3. Step 3: Cross multiply
   9,411.39x = 14,120.73 × 5,511.24
4. Step 4: Simplify right side
   9,411.39x = 77,822,732.01
5. Step 5: Solve for x
   x = 77,822,732.01/9,411.39
6. Step 6: Final answer
   x = 8,268.99