Finding the Fourth Proportional to 1,067.10, 1,472.00 and 683.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.10 : 1,472.00 = 683.12 : x
2. Step 2: Convert to fraction form
   1,067.10/1,472.00 = 683.12/x
3. Step 3: Cross multiply
   1,067.10x = 1,472.00 × 683.12
4. Step 4: Simplify right side
   1,067.10x = 1,005,541.86
5. Step 5: Solve for x
   x = 1,005,541.86/1,067.10
6. Step 6: Final answer
   x = 942.31