Finding the Fourth Proportional to 1,049.55, 1,448.55 and 656.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.55 : 1,448.55 = 656.59 : x
2. Step 2: Convert to fraction form
   1,049.55/1,448.55 = 656.59/x
3. Step 3: Cross multiply
   1,049.55x = 1,448.55 × 656.59
4. Step 4: Simplify right side
   1,049.55x = 951,103.44
5. Step 5: Solve for x
   x = 951,103.44/1,049.55
6. Step 6: Final answer
   x = 906.20