Finding the Fourth Proportional to 1,906.01, 2,858.49 and 673.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.01 : 2,858.49 = 673.25 : x
2. Step 2: Convert to fraction form
   1,906.01/2,858.49 = 673.25/x
3. Step 3: Cross multiply
   1,906.01x = 2,858.49 × 673.25
4. Step 4: Simplify right side
   1,906.01x = 1,924,464.10
5. Step 5: Solve for x
   x = 1,924,464.10/1,906.01
6. Step 6: Final answer
   x = 1,009.68