Finding the Fourth Proportional to 2,477.94, 3,717 and 918.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.94 : 3,717 = 918.34 : x
2. Step 2: Convert to fraction form
   2,477.94/3,717 = 918.34/x
3. Step 3: Cross multiply
   2,477.94x = 3,717 × 918.34
4. Step 4: Simplify right side
   2,477.94x = 3,413,469.78
5. Step 5: Solve for x
   x = 3,413,469.78/2,477.94
6. Step 6: Final answer
   x = 1,377.54