Finding the Fourth Proportional to 9,083.91, 13,620.05 and 4,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,083.91 : 13,620.05 = 4,338.12 : x
2. Step 2: Convert to fraction form
   9,083.91/13,620.05 = 4,338.12/x
3. Step 3: Cross multiply
   9,083.91x = 13,620.05 × 4,338.12
4. Step 4: Simplify right side
   9,083.91x = 59,085,456.96
5. Step 5: Solve for x
   x = 59,085,456.96/9,083.91
6. Step 6: Final answer
   x = 6,504.41