Finding the Fourth Proportional to 2,456.39, 3,684.53 and 607.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.39 : 3,684.53 = 607.46 : x
2. Step 2: Convert to fraction form
   2,456.39/3,684.53 = 607.46/x
3. Step 3: Cross multiply
   2,456.39x = 3,684.53 × 607.46
4. Step 4: Simplify right side
   2,456.39x = 2,238,204.59
5. Step 5: Solve for x
   x = 2,238,204.59/2,456.39
6. Step 6: Final answer
   x = 911.18