Finding the Fourth Proportional to 7,997.88, 11,034.54 and 5,515.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,997.88 : 11,034.54 = 5,515.32 : x
2. Step 2: Convert to fraction form
   7,997.88/11,034.54 = 5,515.32/x
3. Step 3: Cross multiply
   7,997.88x = 11,034.54 × 5,515.32
4. Step 4: Simplify right side
   7,997.88x = 60,859,019.15
5. Step 5: Solve for x
   x = 60,859,019.15/7,997.88
6. Step 6: Final answer
   x = 7,609.39