Finding the Fourth Proportional to 9,477.43, 13,078.94 and 5,498.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.43 : 13,078.94 = 5,498.61 : x
2. Step 2: Convert to fraction form
   9,477.43/13,078.94 = 5,498.61/x
3. Step 3: Cross multiply
   9,477.43x = 13,078.94 × 5,498.61
4. Step 4: Simplify right side
   9,477.43x = 71,915,990.27
5. Step 5: Solve for x
   x = 71,915,990.27/9,477.43
6. Step 6: Final answer
   x = 7,588.13