Finding the Fourth Proportional to 10,439.82, 15,658.14 and 3,419.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.82 : 15,658.14 = 3,419.82 : x
2. Step 2: Convert to fraction form
   10,439.82/15,658.14 = 3,419.82/x
3. Step 3: Cross multiply
   10,439.82x = 15,658.14 × 3,419.82
4. Step 4: Simplify right side
   10,439.82x = 53,548,020.33
5. Step 5: Solve for x
   x = 53,548,020.33/10,439.82
6. Step 6: Final answer
   x = 5,129.21