Finding the Fourth Proportional to 1,049.18, 1,447.83 and 656.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.18 : 1,447.83 = 656.42 : x
2. Step 2: Convert to fraction form
   1,049.18/1,447.83 = 656.42/x
3. Step 3: Cross multiply
   1,049.18x = 1,447.83 × 656.42
4. Step 4: Simplify right side
   1,049.18x = 950,377.33
5. Step 5: Solve for x
   x = 950,377.33/1,049.18
6. Step 6: Final answer
   x = 905.83