Finding the Fourth Proportional to 11,131.16, 15,279.15 and 9,844.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.16 : 15,279.15 = 9,844.02 : x
2. Step 2: Convert to fraction form
   11,131.16/15,279.15 = 9,844.02/x
3. Step 3: Cross multiply
   11,131.16x = 15,279.15 × 9,844.02
4. Step 4: Simplify right side
   11,131.16x = 150,408,258.18
5. Step 5: Solve for x
   x = 150,408,258.18/11,131.16
6. Step 6: Final answer
   x = 13,512.36