Finding the Fourth Proportional to 6,356.72, 8,772.04 and 3,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,356.72 : 8,772.04 = 3,485.42 : x
2. Step 2: Convert to fraction form
   6,356.72/8,772.04 = 3,485.42/x
3. Step 3: Cross multiply
   6,356.72x = 8,772.04 × 3,485.42
4. Step 4: Simplify right side
   6,356.72x = 30,574,243.66
5. Step 5: Solve for x
   x = 30,574,243.66/6,356.72
6. Step 6: Final answer
   x = 4,809.75