Finding the Fourth Proportional to 1,906.93, 2,630.89 and 1,067.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.93 : 2,630.89 = 1,067.47 : x
2. Step 2: Convert to fraction form
   1,906.93/2,630.89 = 1,067.47/x
3. Step 3: Cross multiply
   1,906.93x = 2,630.89 × 1,067.47
4. Step 4: Simplify right side
   1,906.93x = 2,808,396.15
5. Step 5: Solve for x
   x = 2,808,396.15/1,906.93
6. Step 6: Final answer
   x = 1,472.73