Finding the Fourth Proportional to 9,498.30, 13,104.77 and 5,518.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498.30 : 13,104.77 = 5,518.65 : x
2. Step 2: Convert to fraction form
   9,498.30/13,104.77 = 5,518.65/x
3. Step 3: Cross multiply
   9,498.30x = 13,104.77 × 5,518.65
4. Step 4: Simplify right side
   9,498.30x = 72,320,611.37
5. Step 5: Solve for x
   x = 72,320,611.37/9,498.30
6. Step 6: Final answer
   x = 7,614.06