Finding the Fourth Proportional to 9,992.29, 13,789.28 and 5,516.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.29 : 13,789.28 = 5,516.04 : x
2. Step 2: Convert to fraction form
   9,992.29/13,789.28 = 5,516.04/x
3. Step 3: Cross multiply
   9,992.29x = 13,789.28 × 5,516.04
4. Step 4: Simplify right side
   9,992.29x = 76,062,220.05
5. Step 5: Solve for x
   x = 76,062,220.05/9,992.29
6. Step 6: Final answer
   x = 7,612.09