Finding the Fourth Proportional to 1,049.50, 1,448.42 and 656.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.50 : 1,448.42 = 656.45 : x
2. Step 2: Convert to fraction form
   1,049.50/1,448.42 = 656.45/x
3. Step 3: Cross multiply
   1,049.50x = 1,448.42 × 656.45
4. Step 4: Simplify right side
   1,049.50x = 950,815.31
5. Step 5: Solve for x
   x = 950,815.31/1,049.50
6. Step 6: Final answer
   x = 905.97