Finding the Fourth Proportional to 1,906.34, 2,630.72 and 1,067.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.34 : 2,630.72 = 1,067.02 : x
2. Step 2: Convert to fraction form
   1,906.34/2,630.72 = 1,067.02/x
3. Step 3: Cross multiply
   1,906.34x = 2,630.72 × 1,067.02
4. Step 4: Simplify right side
   1,906.34x = 2,807,030.85
5. Step 5: Solve for x
   x = 2,807,030.85/1,906.34
6. Step 6: Final answer
   x = 1,472.47