Finding the Fourth Proportional to 6,384.22, 9,585.74 and 3,929.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,384.22 : 9,585.74 = 3,929.31 : x
2. Step 2: Convert to fraction form
   6,384.22/9,585.74 = 3,929.31/x
3. Step 3: Cross multiply
   6,384.22x = 9,585.74 × 3,929.31
4. Step 4: Simplify right side
   6,384.22x = 37,665,353.86
5. Step 5: Solve for x
   x = 37,665,353.86/6,384.22
6. Step 6: Final answer
   x = 5,899.76