Finding the Fourth Proportional to 1,976.34, 2,727.40 and 1,137.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.34 : 2,727.40 = 1,137.24 : x
2. Step 2: Convert to fraction form
   1,976.34/2,727.40 = 1,137.24/x
3. Step 3: Cross multiply
   1,976.34x = 2,727.40 × 1,137.24
4. Step 4: Simplify right side
   1,976.34x = 3,101,708.38
5. Step 5: Solve for x
   x = 3,101,708.38/1,976.34
6. Step 6: Final answer
   x = 1,569.42