Finding the Fourth Proportional to 1,150.09, 1,587.14 and 684.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.09 : 1,587.14 = 684.25 : x
2. Step 2: Convert to fraction form
   1,150.09/1,587.14 = 684.25/x
3. Step 3: Cross multiply
   1,150.09x = 1,587.14 × 684.25
4. Step 4: Simplify right side
   1,150.09x = 1,086,000.55
5. Step 5: Solve for x
   x = 1,086,000.55/1,150.09
6. Step 6: Final answer
   x = 944.27