Finding the Fourth Proportional to 11,439.66, 17,162.27 and 3,648.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,439.66 : 17,162.27 = 3,648.47 : x
2. Step 2: Convert to fraction form
   11,439.66/17,162.27 = 3,648.47/x
3. Step 3: Cross multiply
   11,439.66x = 17,162.27 × 3,648.47
4. Step 4: Simplify right side
   11,439.66x = 62,615,923.17
5. Step 5: Solve for x
   x = 62,615,923.17/11,439.66
6. Step 6: Final answer
   x = 5,473.58