Finding the Fourth Proportional to 11,061.22, 15,259.64 and 7,279.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.22 : 15,259.64 = 7,279.52 : x
2. Step 2: Convert to fraction form
   11,061.22/15,259.64 = 7,279.52/x
3. Step 3: Cross multiply
   11,061.22x = 15,259.64 × 7,279.52
4. Step 4: Simplify right side
   11,061.22x = 111,082,854.57
5. Step 5: Solve for x
   x = 111,082,854.57/11,061.22
6. Step 6: Final answer
   x = 10,042.55