Finding the Fourth Proportional to 10,272.24, 15,414.03 and 5,078.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.24 : 15,414.03 = 5,078.52 : x
2. Step 2: Convert to fraction form
   10,272.24/15,414.03 = 5,078.52/x
3. Step 3: Cross multiply
   10,272.24x = 15,414.03 × 5,078.52
4. Step 4: Simplify right side
   10,272.24x = 78,280,459.64
5. Step 5: Solve for x
   x = 78,280,459.64/10,272.24
6. Step 6: Final answer
   x = 7,620.58