Finding the Fourth Proportional to 6,327.42, 8,732.52 and 3,970.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327.42 : 8,732.52 = 3,970.32 : x
2. Step 2: Convert to fraction form
   6,327.42/8,732.52 = 3,970.32/x
3. Step 3: Cross multiply
   6,327.42x = 8,732.52 × 3,970.32
4. Step 4: Simplify right side
   6,327.42x = 34,670,898.81
5. Step 5: Solve for x
   x = 34,670,898.81/6,327.42
6. Step 6: Final answer
   x = 5,479.47