Finding the Fourth Proportional to 10,053.24, 15,064.56 and 5,115.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.24 : 15,064.56 = 5,115.48 : x
2. Step 2: Convert to fraction form
   10,053.24/15,064.56 = 5,115.48/x
3. Step 3: Cross multiply
   10,053.24x = 15,064.56 × 5,115.48
4. Step 4: Simplify right side
   10,053.24x = 77,062,455.39
5. Step 5: Solve for x
   x = 77,062,455.39/10,053.24
6. Step 6: Final answer
   x = 7,665.43