Finding the Fourth Proportional to 10,103.39, 15,158.24 and 5,176.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.39 : 15,158.24 = 5,176.49 : x
2. Step 2: Convert to fraction form
   10,103.39/15,158.24 = 5,176.49/x
3. Step 3: Cross multiply
   10,103.39x = 15,158.24 × 5,176.49
4. Step 4: Simplify right side
   10,103.39x = 78,466,452.36
5. Step 5: Solve for x
   x = 78,466,452.36/10,103.39
6. Step 6: Final answer
   x = 7,766.35