Finding the Fourth Proportional to 1,146.72, 1,582.46 and 674.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.72 : 1,582.46 = 674.92 : x
2. Step 2: Convert to fraction form
   1,146.72/1,582.46 = 674.92/x
3. Step 3: Cross multiply
   1,146.72x = 1,582.46 × 674.92
4. Step 4: Simplify right side
   1,146.72x = 1,068,033.90
5. Step 5: Solve for x
   x = 1,068,033.90/1,146.72
6. Step 6: Final answer
   x = 931.38