Finding the Fourth Proportional to 1,181.79, 1,630.91 and 650.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.79 : 1,630.91 = 650.73 : x
2. Step 2: Convert to fraction form
   1,181.79/1,630.91 = 650.73/x
3. Step 3: Cross multiply
   1,181.79x = 1,630.91 × 650.73
4. Step 4: Simplify right side
   1,181.79x = 1,061,270.66
5. Step 5: Solve for x
   x = 1,061,270.66/1,181.79
6. Step 6: Final answer
   x = 898.02