Finding the Fourth Proportional to 11,730.42, 17,593.83 and 3,939.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,730.42 : 17,593.83 = 3,939.30 : x
2. Step 2: Convert to fraction form
   11,730.42/17,593.83 = 3,939.30/x
3. Step 3: Cross multiply
   11,730.42x = 17,593.83 × 3,939.30
4. Step 4: Simplify right side
   11,730.42x = 69,307,374.52
5. Step 5: Solve for x
   x = 69,307,374.52/11,730.42
6. Step 6: Final answer
   x = 5,908.35