Finding the Fourth Proportional to 11,014.12, 15,199.24 and 5,978.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.12 : 15,199.24 = 5,978.35 : x
2. Step 2: Convert to fraction form
   11,014.12/15,199.24 = 5,978.35/x
3. Step 3: Cross multiply
   11,014.12x = 15,199.24 × 5,978.35
4. Step 4: Simplify right side
   11,014.12x = 90,866,346.56
5. Step 5: Solve for x
   x = 90,866,346.56/11,014.12
6. Step 6: Final answer
   x = 8,249.99