Finding the Fourth Proportional to 11,011.78, 15,196.14 and 5,976.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,011.78 : 15,196.14 = 5,976.18 : x
2. Step 2: Convert to fraction form
   11,011.78/15,196.14 = 5,976.18/x
3. Step 3: Cross multiply
   11,011.78x = 15,196.14 × 5,976.18
4. Step 4: Simplify right side
   11,011.78x = 90,814,867.95
5. Step 5: Solve for x
   x = 90,814,867.95/11,011.78
6. Step 6: Final answer
   x = 8,247.06