Finding the Fourth Proportional to 1,906.76, 2,631.30 and 1,067.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.76 : 2,631.30 = 1,067.46 : x
2. Step 2: Convert to fraction form
   1,906.76/2,631.30 = 1,067.46/x
3. Step 3: Cross multiply
   1,906.76x = 2,631.30 × 1,067.46
4. Step 4: Simplify right side
   1,906.76x = 2,808,807.50
5. Step 5: Solve for x
   x = 2,808,807.50/1,906.76
6. Step 6: Final answer
   x = 1,473.08