Finding the Fourth Proportional to 1,182.01, 1,631.46 and 684.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.01 : 1,631.46 = 684.94 : x
2. Step 2: Convert to fraction form
   1,182.01/1,631.46 = 684.94/x
3. Step 3: Cross multiply
   1,182.01x = 1,631.46 × 684.94
4. Step 4: Simplify right side
   1,182.01x = 1,117,452.21
5. Step 5: Solve for x
   x = 1,117,452.21/1,182.01
6. Step 6: Final answer
   x = 945.38