Finding the Fourth Proportional to 3,061.82, 4,229.58 and 2,948.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.82 : 4,229.58 = 2,948.03 : x
2. Step 2: Convert to fraction form
   3,061.82/4,229.58 = 2,948.03/x
3. Step 3: Cross multiply
   3,061.82x = 4,229.58 × 2,948.03
4. Step 4: Simplify right side
   3,061.82x = 12,468,939.30
5. Step 5: Solve for x
   x = 12,468,939.30/3,061.82
6. Step 6: Final answer
   x = 4,072.39