Finding the Fourth Proportional to 1,126.82, 1,554.74 and 684.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.82 : 1,554.74 = 684.69 : x
2. Step 2: Convert to fraction form
   1,126.82/1,554.74 = 684.69/x
3. Step 3: Cross multiply
   1,126.82x = 1,554.74 × 684.69
4. Step 4: Simplify right side
   1,126.82x = 1,064,514.07
5. Step 5: Solve for x
   x = 1,064,514.07/1,126.82
6. Step 6: Final answer
   x = 944.71