Finding the Fourth Proportional to 1,906.42, 2,630.83 and 1,067.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.42 : 2,630.83 = 1,067.11 : x
2. Step 2: Convert to fraction form
   1,906.42/2,630.83 = 1,067.11/x
3. Step 3: Cross multiply
   1,906.42x = 2,630.83 × 1,067.11
4. Step 4: Simplify right side
   1,906.42x = 2,807,385.00
5. Step 5: Solve for x
   x = 2,807,385.00/1,906.42
6. Step 6: Final answer
   x = 1,472.60