Finding the Fourth Proportional to 6,807.98, 9,399.36 and 4,542.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,807.98 : 9,399.36 = 4,542.55 : x
2. Step 2: Convert to fraction form
   6,807.98/9,399.36 = 4,542.55/x
3. Step 3: Cross multiply
   6,807.98x = 9,399.36 × 4,542.55
4. Step 4: Simplify right side
   6,807.98x = 42,697,082.71
5. Step 5: Solve for x
   x = 42,697,082.71/6,807.98
6. Step 6: Final answer
   x = 6,271.63