Finding the Fourth Proportional to 1,182.06, 1,631.25 and 684.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.06 : 1,631.25 = 684.73 : x
2. Step 2: Convert to fraction form
   1,182.06/1,631.25 = 684.73/x
3. Step 3: Cross multiply
   1,182.06x = 1,631.25 × 684.73
4. Step 4: Simplify right side
   1,182.06x = 1,116,964.10
5. Step 5: Solve for x
   x = 1,116,964.10/1,182.06
6. Step 6: Final answer
   x = 944.93