Finding the Fourth Proportional to 11,179.14, 15,422.78 and 7,202.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,179.14 : 15,422.78 = 7,202.56 : x
2. Step 2: Convert to fraction form
   11,179.14/15,422.78 = 7,202.56/x
3. Step 3: Cross multiply
   11,179.14x = 15,422.78 × 7,202.56
4. Step 4: Simplify right side
   11,179.14x = 111,083,498.32
5. Step 5: Solve for x
   x = 111,083,498.32/11,179.14
6. Step 6: Final answer
   x = 9,936.68