Finding the Fourth Proportional to 11,610.47, 17,424.18 and 4,215.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,610.47 : 17,424.18 = 4,215.54 : x
2. Step 2: Convert to fraction form
   11,610.47/17,424.18 = 4,215.54/x
3. Step 3: Cross multiply
   11,610.47x = 17,424.18 × 4,215.54
4. Step 4: Simplify right side
   11,610.47x = 73,452,393.10
5. Step 5: Solve for x
   x = 73,452,393.10/11,610.47
6. Step 6: Final answer
   x = 6,326.39