Finding the Fourth Proportional to 4,485.98, 6,185.69 and 3,069.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,485.98 : 6,185.69 = 3,069.89 : x
2. Step 2: Convert to fraction form
   4,485.98/6,185.69 = 3,069.89/x
3. Step 3: Cross multiply
   4,485.98x = 6,185.69 × 3,069.89
4. Step 4: Simplify right side
   4,485.98x = 18,989,387.99
5. Step 5: Solve for x
   x = 18,989,387.99/4,485.98
6. Step 6: Final answer
   x = 4,233.06