Finding the Fourth Proportional to 1,976.28, 2,727.27 and 1,230.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.28 : 2,727.27 = 1,230.24 : x
2. Step 2: Convert to fraction form
   1,976.28/2,727.27 = 1,230.24/x
3. Step 3: Cross multiply
   1,976.28x = 2,727.27 × 1,230.24
4. Step 4: Simplify right side
   1,976.28x = 3,355,196.64
5. Step 5: Solve for x
   x = 3,355,196.64/1,976.28
6. Step 6: Final answer
   x = 1,697.73