Finding the Fourth Proportional to 11,339.69, 17,009.58 and 3,442.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,339.69 : 17,009.58 = 3,442.28 : x
2. Step 2: Convert to fraction form
   11,339.69/17,009.58 = 3,442.28/x
3. Step 3: Cross multiply
   11,339.69x = 17,009.58 × 3,442.28
4. Step 4: Simplify right side
   11,339.69x = 58,551,737.04
5. Step 5: Solve for x
   x = 58,551,737.04/11,339.69
6. Step 6: Final answer
   x = 5,163.43