Finding the Fourth Proportional to 4,828.38, 6,664.71 and 3,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,828.38 : 6,664.71 = 3,061.09 : x
2. Step 2: Convert to fraction form
   4,828.38/6,664.71 = 3,061.09/x
3. Step 3: Cross multiply
   4,828.38x = 6,664.71 × 3,061.09
4. Step 4: Simplify right side
   4,828.38x = 20,401,277.13
5. Step 5: Solve for x
   x = 20,401,277.13/4,828.38
6. Step 6: Final answer
   x = 4,225.28