Finding the Fourth Proportional to 1,180.52, 1,629.12 and 656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.52 : 1,629.12 = 656.56 : x
2. Step 2: Convert to fraction form
   1,180.52/1,629.12 = 656.56/x
3. Step 3: Cross multiply
   1,180.52x = 1,629.12 × 656.56
4. Step 4: Simplify right side
   1,180.52x = 1,069,615.03
5. Step 5: Solve for x
   x = 1,069,615.03/1,180.52
6. Step 6: Final answer
   x = 906.05