Finding the Fourth Proportional to 1,116.38, 1,675.85 and 654.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.38 : 1,675.85 = 654.49 : x
2. Step 2: Convert to fraction form
   1,116.38/1,675.85 = 654.49/x
3. Step 3: Cross multiply
   1,116.38x = 1,675.85 × 654.49
4. Step 4: Simplify right side
   1,116.38x = 1,096,819.60
5. Step 5: Solve for x
   x = 1,096,819.60/1,116.38
6. Step 6: Final answer
   x = 982.48