Finding the Fourth Proportional to 1,150.92, 1,587.94 and 709.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.92 : 1,587.94 = 709.16 : x
2. Step 2: Convert to fraction form
   1,150.92/1,587.94 = 709.16/x
3. Step 3: Cross multiply
   1,150.92x = 1,587.94 × 709.16
4. Step 4: Simplify right side
   1,150.92x = 1,126,103.53
5. Step 5: Solve for x
   x = 1,126,103.53/1,150.92
6. Step 6: Final answer
   x = 978.44