Finding the Fourth Proportional to 11,339.62, 17,008.47 and 3,942.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,339.62 : 17,008.47 = 3,942.82 : x
2. Step 2: Convert to fraction form
   11,339.62/17,008.47 = 3,942.82/x
3. Step 3: Cross multiply
   11,339.62x = 17,008.47 × 3,942.82
4. Step 4: Simplify right side
   11,339.62x = 67,061,335.69
5. Step 5: Solve for x
   x = 67,061,335.69/11,339.62
6. Step 6: Final answer
   x = 5,913.90