Finding the Fourth Proportional to 1,195.82, 1,650.34 and 672.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,195.82 : 1,650.34 = 672.02 : x
2. Step 2: Convert to fraction form
   1,195.82/1,650.34 = 672.02/x
3. Step 3: Cross multiply
   1,195.82x = 1,650.34 × 672.02
4. Step 4: Simplify right side
   1,195.82x = 1,109,061.49
5. Step 5: Solve for x
   x = 1,109,061.49/1,195.82
6. Step 6: Final answer
   x = 927.45