Finding the Fourth Proportional to 10,508.48, 15,782.12 and 7,048.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.48 : 15,782.12 = 7,048.16 : x
2. Step 2: Convert to fraction form
   10,508.48/15,782.12 = 7,048.16/x
3. Step 3: Cross multiply
   10,508.48x = 15,782.12 × 7,048.16
4. Step 4: Simplify right side
   10,508.48x = 111,234,906.90
5. Step 5: Solve for x
   x = 111,234,906.90/10,508.48
6. Step 6: Final answer
   x = 10,585.25