Finding the Fourth Proportional to 1,266.58, 1,747.82 and 934.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.58 : 1,747.82 = 934.89 : x
2. Step 2: Convert to fraction form
   1,266.58/1,747.82 = 934.89/x
3. Step 3: Cross multiply
   1,266.58x = 1,747.82 × 934.89
4. Step 4: Simplify right side
   1,266.58x = 1,634,006.03
5. Step 5: Solve for x
   x = 1,634,006.03/1,266.58
6. Step 6: Final answer
   x = 1,290.09