Finding the Fourth Proportional to 10,508.08, 15,747.72 and 10,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.08 : 15,747.72 = 10,192.72 : x
2. Step 2: Convert to fraction form
   10,508.08/15,747.72 = 10,192.72/x
3. Step 3: Cross multiply
   10,508.08x = 15,747.72 × 10,192.72
4. Step 4: Simplify right side
   10,508.08x = 160,512,100.60
5. Step 5: Solve for x
   x = 160,512,100.60/10,508.08
6. Step 6: Final answer
   x = 15,275.11