Finding the Fourth Proportional to 9,992.59, 13,789.82 and 5,516.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.59 : 13,789.82 = 5,516.26 : x
2. Step 2: Convert to fraction form
   9,992.59/13,789.82 = 5,516.26/x
3. Step 3: Cross multiply
   9,992.59x = 13,789.82 × 5,516.26
4. Step 4: Simplify right side
   9,992.59x = 76,068,191.10
5. Step 5: Solve for x
   x = 76,068,191.10/9,992.59
6. Step 6: Final answer
   x = 7,612.46