Finding the Fourth Proportional to 8,019.83, 11,961.41 and 7,517.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.83 : 11,961.41 = 7,517.49 : x
2. Step 2: Convert to fraction form
   8,019.83/11,961.41 = 7,517.49/x
3. Step 3: Cross multiply
   8,019.83x = 11,961.41 × 7,517.49
4. Step 4: Simplify right side
   8,019.83x = 89,919,697.62
5. Step 5: Solve for x
   x = 89,919,697.62/8,019.83
6. Step 6: Final answer
   x = 11,212.17