Finding the Fourth Proportional to 1,126.50, 1,554.32 and 684.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.50 : 1,554.32 = 684.42 : x
2. Step 2: Convert to fraction form
   1,126.50/1,554.32 = 684.42/x
3. Step 3: Cross multiply
   1,126.50x = 1,554.32 × 684.42
4. Step 4: Simplify right side
   1,126.50x = 1,063,807.69
5. Step 5: Solve for x
   x = 1,063,807.69/1,126.50
6. Step 6: Final answer
   x = 944.35