Finding the Fourth Proportional to 6,354.27, 9,528.53 and 3,428.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,354.27 : 9,528.53 = 3,428.19 : x
2. Step 2: Convert to fraction form
   6,354.27/9,528.53 = 3,428.19/x
3. Step 3: Cross multiply
   6,354.27x = 9,528.53 × 3,428.19
4. Step 4: Simplify right side
   6,354.27x = 32,665,594.12
5. Step 5: Solve for x
   x = 32,665,594.12/6,354.27
6. Step 6: Final answer
   x = 5,140.73