Finding the Fourth Proportional to 2,676.30, 4,013.34 and 945.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.30 : 4,013.34 = 945.06 : x
2. Step 2: Convert to fraction form
   2,676.30/4,013.34 = 945.06/x
3. Step 3: Cross multiply
   2,676.30x = 4,013.34 × 945.06
4. Step 4: Simplify right side
   2,676.30x = 3,792,847.10
5. Step 5: Solve for x
   x = 3,792,847.10/2,676.30
6. Step 6: Final answer
   x = 1,417.20