Finding the Fourth Proportional to 1,206.37, 1,664.71 and 675.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206.37 : 1,664.71 = 675.19 : x
2. Step 2: Convert to fraction form
   1,206.37/1,664.71 = 675.19/x
3. Step 3: Cross multiply
   1,206.37x = 1,664.71 × 675.19
4. Step 4: Simplify right side
   1,206.37x = 1,123,995.54
5. Step 5: Solve for x
   x = 1,123,995.54/1,206.37
6. Step 6: Final answer
   x = 931.72