Finding the Fourth Proportional to 1,906.63, 2,630.96 and 1,067.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.63 : 2,630.96 = 1,067.29 : x
2. Step 2: Convert to fraction form
   1,906.63/2,630.96 = 1,067.29/x
3. Step 3: Cross multiply
   1,906.63x = 2,630.96 × 1,067.29
4. Step 4: Simplify right side
   1,906.63x = 2,807,997.30
5. Step 5: Solve for x
   x = 2,807,997.30/1,906.63
6. Step 6: Final answer
   x = 1,472.75