Finding the Fourth Proportional to 9,298.06, 12,825.24 and 5,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.06 : 12,825.24 = 5,518.42 : x
2. Step 2: Convert to fraction form
   9,298.06/12,825.24 = 5,518.42/x
3. Step 3: Cross multiply
   9,298.06x = 12,825.24 × 5,518.42
4. Step 4: Simplify right side
   9,298.06x = 70,775,060.92
5. Step 5: Solve for x
   x = 70,775,060.92/9,298.06
6. Step 6: Final answer
   x = 7,611.81