Finding the Fourth Proportional to 1,146.32, 1,581.94 and 674.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.32 : 1,581.94 = 674.10 : x
2. Step 2: Convert to fraction form
   1,146.32/1,581.94 = 674.10/x
3. Step 3: Cross multiply
   1,146.32x = 1,581.94 × 674.10
4. Step 4: Simplify right side
   1,146.32x = 1,066,385.75
5. Step 5: Solve for x
   x = 1,066,385.75/1,146.32
6. Step 6: Final answer
   x = 930.27