Finding the Fourth Proportional to 6,071.31, 8,374.59 and 3,831.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,071.31 : 8,374.59 = 3,831.30 : x
2. Step 2: Convert to fraction form
   6,071.31/8,374.59 = 3,831.30/x
3. Step 3: Cross multiply
   6,071.31x = 8,374.59 × 3,831.30
4. Step 4: Simplify right side
   6,071.31x = 32,085,566.67
5. Step 5: Solve for x
   x = 32,085,566.67/6,071.31
6. Step 6: Final answer
   x = 5,284.78