Finding the Fourth Proportional to 2,452.51, 3,678.37 and 892.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.51 : 3,678.37 = 892.45 : x
2. Step 2: Convert to fraction form
   2,452.51/3,678.37 = 892.45/x
3. Step 3: Cross multiply
   2,452.51x = 3,678.37 × 892.45
4. Step 4: Simplify right side
   2,452.51x = 3,282,761.31
5. Step 5: Solve for x
   x = 3,282,761.31/2,452.51
6. Step 6: Final answer
   x = 1,338.53