Finding the Fourth Proportional to 9,992.48, 13,789.92 and 5,516.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.48 : 13,789.92 = 5,516.56 : x
2. Step 2: Convert to fraction form
   9,992.48/13,789.92 = 5,516.56/x
3. Step 3: Cross multiply
   9,992.48x = 13,789.92 × 5,516.56
4. Step 4: Simplify right side
   9,992.48x = 76,072,921.08
5. Step 5: Solve for x
   x = 76,072,921.08/9,992.48
6. Step 6: Final answer
   x = 7,613.02