Finding the Fourth Proportional to 1,180.98, 1,629.83 and 657.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.98 : 1,629.83 = 657.04 : x
2. Step 2: Convert to fraction form
   1,180.98/1,629.83 = 657.04/x
3. Step 3: Cross multiply
   1,180.98x = 1,629.83 × 657.04
4. Step 4: Simplify right side
   1,180.98x = 1,070,863.50
5. Step 5: Solve for x
   x = 1,070,863.50/1,180.98
6. Step 6: Final answer
   x = 906.76