Finding the Fourth Proportional to 11,062.30, 15,269.11 and 7,288.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,062.30 : 15,269.11 = 7,288.22 : x
2. Step 2: Convert to fraction form
   11,062.30/15,269.11 = 7,288.22/x
3. Step 3: Cross multiply
   11,062.30x = 15,269.11 × 7,288.22
4. Step 4: Simplify right side
   11,062.30x = 111,284,632.88
5. Step 5: Solve for x
   x = 111,284,632.88/11,062.30
6. Step 6: Final answer
   x = 10,059.81