Finding the Fourth Proportional to 1,976.96, 2,727.69 and 1,137.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.96 : 2,727.69 = 1,137.89 : x
2. Step 2: Convert to fraction form
   1,976.96/2,727.69 = 1,137.89/x
3. Step 3: Cross multiply
   1,976.96x = 2,727.69 × 1,137.89
4. Step 4: Simplify right side
   1,976.96x = 3,103,797.54
5. Step 5: Solve for x
   x = 3,103,797.54/1,976.96
6. Step 6: Final answer
   x = 1,569.99