Finding the Fourth Proportional to 11,002.85, 15,179.17 and 7,364.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.85 : 15,179.17 = 7,364.54 : x
2. Step 2: Convert to fraction form
   11,002.85/15,179.17 = 7,364.54/x
3. Step 3: Cross multiply
   11,002.85x = 15,179.17 × 7,364.54
4. Step 4: Simplify right side
   11,002.85x = 111,787,491.91
5. Step 5: Solve for x
   x = 111,787,491.91/11,002.85
6. Step 6: Final answer
   x = 10,159.87