Finding the Fourth Proportional to 1,676.72, 2,314.98 and 1,048.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.72 : 2,314.98 = 1,048.20 : x
2. Step 2: Convert to fraction form
   1,676.72/2,314.98 = 1,048.20/x
3. Step 3: Cross multiply
   1,676.72x = 2,314.98 × 1,048.20
4. Step 4: Simplify right side
   1,676.72x = 2,426,562.04
5. Step 5: Solve for x
   x = 2,426,562.04/1,676.72
6. Step 6: Final answer
   x = 1,447.21