Finding the Fourth Proportional to 6,327.55, 8,734.01 and 4,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327.55 : 8,734.01 = 4,089.38 : x
2. Step 2: Convert to fraction form
   6,327.55/8,734.01 = 4,089.38/x
3. Step 3: Cross multiply
   6,327.55x = 8,734.01 × 4,089.38
4. Step 4: Simplify right side
   6,327.55x = 35,716,685.81
5. Step 5: Solve for x
   x = 35,716,685.81/6,327.55
6. Step 6: Final answer
   x = 5,644.64