Finding the Fourth Proportional to 10,348.24, 15,518.16 and 5,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,348.24 : 15,518.16 = 5,085.52 : x
2. Step 2: Convert to fraction form
   10,348.24/15,518.16 = 5,085.52/x
3. Step 3: Cross multiply
   10,348.24x = 15,518.16 × 5,085.52
4. Step 4: Simplify right side
   10,348.24x = 78,917,913.04
5. Step 5: Solve for x
   x = 78,917,913.04/10,348.24
6. Step 6: Final answer
   x = 7,626.22