Finding the Fourth Proportional to 1,146.95, 1,582.35 and 674.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.95 : 1,582.35 = 674.86 : x
2. Step 2: Convert to fraction form
   1,146.95/1,582.35 = 674.86/x
3. Step 3: Cross multiply
   1,146.95x = 1,582.35 × 674.86
4. Step 4: Simplify right side
   1,146.95x = 1,067,864.72
5. Step 5: Solve for x
   x = 1,067,864.72/1,146.95
6. Step 6: Final answer
   x = 931.05