Finding the Fourth Proportional to 6,388.24, 9,574.61 and 3,419.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388.24 : 9,574.61 = 3,419.39 : x
2. Step 2: Convert to fraction form
   6,388.24/9,574.61 = 3,419.39/x
3. Step 3: Cross multiply
   6,388.24x = 9,574.61 × 3,419.39
4. Step 4: Simplify right side
   6,388.24x = 32,739,278.67
5. Step 5: Solve for x
   x = 32,739,278.67/6,388.24
6. Step 6: Final answer
   x = 5,124.93