Finding the Fourth Proportional to 11,839.08, 17,759.59 and 3,941.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.08 : 17,759.59 = 3,941.31 : x
2. Step 2: Convert to fraction form
   11,839.08/17,759.59 = 3,941.31/x
3. Step 3: Cross multiply
   11,839.08x = 17,759.59 × 3,941.31
4. Step 4: Simplify right side
   11,839.08x = 69,996,106.41
5. Step 5: Solve for x
   x = 69,996,106.41/11,839.08
6. Step 6: Final answer
   x = 5,912.29