Finding the Fourth Proportional to 1,146.00, 1,581.85 and 673.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.00 : 1,581.85 = 673.89 : x
2. Step 2: Convert to fraction form
   1,146.00/1,581.85 = 673.89/x
3. Step 3: Cross multiply
   1,146.00x = 1,581.85 × 673.89
4. Step 4: Simplify right side
   1,146.00x = 1,065,989.70
5. Step 5: Solve for x
   x = 1,065,989.70/1,146.00
6. Step 6: Final answer
   x = 930.18