Finding the Fourth Proportional to 10,048.16, 15,048.54 and 5,105.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.16 : 15,048.54 = 5,105.54 : x
2. Step 2: Convert to fraction form
   10,048.16/15,048.54 = 5,105.54/x
3. Step 3: Cross multiply
   10,048.16x = 15,048.54 × 5,105.54
4. Step 4: Simplify right side
   10,048.16x = 76,830,922.91
5. Step 5: Solve for x
   x = 76,830,922.91/10,048.16
6. Step 6: Final answer
   x = 7,646.27