Finding the Fourth Proportional to 2,456.39, 3,684.50 and 607.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.39 : 3,684.50 = 607.49 : x
2. Step 2: Convert to fraction form
   2,456.39/3,684.50 = 607.49/x
3. Step 3: Cross multiply
   2,456.39x = 3,684.50 × 607.49
4. Step 4: Simplify right side
   2,456.39x = 2,238,275.45
5. Step 5: Solve for x
   x = 2,238,275.45/2,456.39
6. Step 6: Final answer
   x = 911.21