Finding the Fourth Proportional to 9,478.97, 13,083.58 and 5,499.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478.97 : 13,083.58 = 5,499.29 : x
2. Step 2: Convert to fraction form
   9,478.97/13,083.58 = 5,499.29/x
3. Step 3: Cross multiply
   9,478.97x = 13,083.58 × 5,499.29
4. Step 4: Simplify right side
   9,478.97x = 71,950,409.31
5. Step 5: Solve for x
   x = 71,950,409.31/9,478.97
6. Step 6: Final answer
   x = 7,590.53