Finding the Fourth Proportional to 1,676.90, 2,314.06 and 930.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.90 : 2,314.06 = 930.89 : x
2. Step 2: Convert to fraction form
   1,676.90/2,314.06 = 930.89/x
3. Step 3: Cross multiply
   1,676.90x = 2,314.06 × 930.89
4. Step 4: Simplify right side
   1,676.90x = 2,154,138.77
5. Step 5: Solve for x
   x = 2,154,138.77/1,676.90
6. Step 6: Final answer
   x = 1,284.59