Finding the Fourth Proportional to 2,456.95, 3,683.48 and 1,223.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.95 : 3,683.48 = 1,223.69 : x
2. Step 2: Convert to fraction form
   2,456.95/3,683.48 = 1,223.69/x
3. Step 3: Cross multiply
   2,456.95x = 3,683.48 × 1,223.69
4. Step 4: Simplify right side
   2,456.95x = 4,507,437.64
5. Step 5: Solve for x
   x = 4,507,437.64/2,456.95
6. Step 6: Final answer
   x = 1,834.57