Finding the Fourth Proportional to 1,676.81, 2,314.15 and 930.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.81 : 2,314.15 = 930.83 : x
2. Step 2: Convert to fraction form
   1,676.81/2,314.15 = 930.83/x
3. Step 3: Cross multiply
   1,676.81x = 2,314.15 × 930.83
4. Step 4: Simplify right side
   1,676.81x = 2,154,066.35
5. Step 5: Solve for x
   x = 2,154,066.35/1,676.81
6. Step 6: Final answer
   x = 1,284.62