Finding the Fourth Proportional to 1,406.82, 2,108.81 and 676.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.82 : 2,108.81 = 676.00 : x
2. Step 2: Convert to fraction form
   1,406.82/2,108.81 = 676.00/x
3. Step 3: Cross multiply
   1,406.82x = 2,108.81 × 676.00
4. Step 4: Simplify right side
   1,406.82x = 1,425,546.12
5. Step 5: Solve for x
   x = 1,425,546.12/1,406.82
6. Step 6: Final answer
   x = 1,013.31