Finding the Fourth Proportional to 11,014.06, 15,199.42 and 5,978.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,014.06 : 15,199.42 = 5,978.28 : x
2. Step 2: Convert to fraction form
   11,014.06/15,199.42 = 5,978.28/x
3. Step 3: Cross multiply
   11,014.06x = 15,199.42 × 5,978.28
4. Step 4: Simplify right side
   11,014.06x = 90,866,388.60
5. Step 5: Solve for x
   x = 90,866,388.60/11,014.06
6. Step 6: Final answer
   x = 8,250.04