Finding the Fourth Proportional to 1,906.48, 2,630.76 and 1,208.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.48 : 2,630.76 = 1,208.08 : x
2. Step 2: Convert to fraction form
   1,906.48/2,630.76 = 1,208.08/x
3. Step 3: Cross multiply
   1,906.48x = 2,630.76 × 1,208.08
4. Step 4: Simplify right side
   1,906.48x = 3,178,168.54
5. Step 5: Solve for x
   x = 3,178,168.54/1,906.48
6. Step 6: Final answer
   x = 1,667.03