Finding the Fourth Proportional to 10,247.16, 15,363.72 and 3,673.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,247.16 : 15,363.72 = 3,673.20 : x
2. Step 2: Convert to fraction form
   10,247.16/15,363.72 = 3,673.20/x
3. Step 3: Cross multiply
   10,247.16x = 15,363.72 × 3,673.20
4. Step 4: Simplify right side
   10,247.16x = 56,434,016.30
5. Step 5: Solve for x
   x = 56,434,016.30/10,247.16
6. Step 6: Final answer
   x = 5,507.28