Finding the Fourth Proportional to 8,869.43, 12,245.52 and 5,516.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,869.43 : 12,245.52 = 5,516.81 : x
2. Step 2: Convert to fraction form
   8,869.43/12,245.52 = 5,516.81/x
3. Step 3: Cross multiply
   8,869.43x = 12,245.52 × 5,516.81
4. Step 4: Simplify right side
   8,869.43x = 67,556,145.96
5. Step 5: Solve for x
   x = 67,556,145.96/8,869.43
6. Step 6: Final answer
   x = 7,616.74