Finding the Fourth Proportional to 1,126.29, 1,554.76 and 684.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.29 : 1,554.76 = 684.34 : x
2. Step 2: Convert to fraction form
   1,126.29/1,554.76 = 684.34/x
3. Step 3: Cross multiply
   1,126.29x = 1,554.76 × 684.34
4. Step 4: Simplify right side
   1,126.29x = 1,063,984.46
5. Step 5: Solve for x
   x = 1,063,984.46/1,126.29
6. Step 6: Final answer
   x = 944.68