Finding the Fourth Proportional to 1,676.76, 2,314.10 and 930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.76 : 2,314.10 = 930.72 : x
2. Step 2: Convert to fraction form
   1,676.76/2,314.10 = 930.72/x
3. Step 3: Cross multiply
   1,676.76x = 2,314.10 × 930.72
4. Step 4: Simplify right side
   1,676.76x = 2,153,790.16
5. Step 5: Solve for x
   x = 2,153,790.16/1,676.76
6. Step 6: Final answer
   x = 1,284.50