Finding the Fourth Proportional to 10,367.29, 15,538.78 and 5,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,367.29 : 15,538.78 = 5,104.72 : x
2. Step 2: Convert to fraction form
   10,367.29/15,538.78 = 5,104.72/x
3. Step 3: Cross multiply
   10,367.29x = 15,538.78 × 5,104.72
4. Step 4: Simplify right side
   10,367.29x = 79,321,121.04
5. Step 5: Solve for x
   x = 79,321,121.04/10,367.29
6. Step 6: Final answer
   x = 7,651.10