Finding the Fourth Proportional to 2,478.25, 3,717.18 and 1,017.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.25 : 3,717.18 = 1,017.37 : x
2. Step 2: Convert to fraction form
   2,478.25/3,717.18 = 1,017.37/x
3. Step 3: Cross multiply
   2,478.25x = 3,717.18 × 1,017.37
4. Step 4: Simplify right side
   2,478.25x = 3,781,747.42
5. Step 5: Solve for x
   x = 3,781,747.42/2,478.25
6. Step 6: Final answer
   x = 1,525.97