Finding the Fourth Proportional to 1,207.27, 1,666.04 and 676.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207.27 : 1,666.04 = 676.15 : x
2. Step 2: Convert to fraction form
   1,207.27/1,666.04 = 676.15/x
3. Step 3: Cross multiply
   1,207.27x = 1,666.04 × 676.15
4. Step 4: Simplify right side
   1,207.27x = 1,126,498.57
5. Step 5: Solve for x
   x = 1,126,498.57/1,207.27
6. Step 6: Final answer
   x = 933.09