Finding the Fourth Proportional to 1,676.55, 2,313.41 and 930.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.55 : 2,313.41 = 930.49 : x
2. Step 2: Convert to fraction form
   1,676.55/2,313.41 = 930.49/x
3. Step 3: Cross multiply
   1,676.55x = 2,313.41 × 930.49
4. Step 4: Simplify right side
   1,676.55x = 2,152,599.67
5. Step 5: Solve for x
   x = 2,152,599.67/1,676.55
6. Step 6: Final answer
   x = 1,283.95