Finding the Fourth Proportional to 11,012.09, 15,196.69 and 5,976.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.09 : 15,196.69 = 5,976.31 : x
2. Step 2: Convert to fraction form
   11,012.09/15,196.69 = 5,976.31/x
3. Step 3: Cross multiply
   11,012.09x = 15,196.69 × 5,976.31
4. Step 4: Simplify right side
   11,012.09x = 90,820,145.35
5. Step 5: Solve for x
   x = 90,820,145.35/11,012.09
6. Step 6: Final answer
   x = 8,247.31