Finding the Fourth Proportional to 11,839.96, 17,754.88 and 4,439.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.96 : 17,754.88 = 4,439.29 : x
2. Step 2: Convert to fraction form
   11,839.96/17,754.88 = 4,439.29/x
3. Step 3: Cross multiply
   11,839.96x = 17,754.88 × 4,439.29
4. Step 4: Simplify right side
   11,839.96x = 78,819,061.24
5. Step 5: Solve for x
   x = 78,819,061.24/11,839.96
6. Step 6: Final answer
   x = 6,657.04