Finding the Fourth Proportional to 1,550.42, 2,325.69 and 454.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.42 : 2,325.69 = 454.82 : x
2. Step 2: Convert to fraction form
   1,550.42/2,325.69 = 454.82/x
3. Step 3: Cross multiply
   1,550.42x = 2,325.69 × 454.82
4. Step 4: Simplify right side
   1,550.42x = 1,057,770.33
5. Step 5: Solve for x
   x = 1,057,770.33/1,550.42
6. Step 6: Final answer
   x = 682.25