Finding the Fourth Proportional to 1,369.54, 1,889.27 and 927.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.54 : 1,889.27 = 927.28 : x
2. Step 2: Convert to fraction form
   1,369.54/1,889.27 = 927.28/x
3. Step 3: Cross multiply
   1,369.54x = 1,889.27 × 927.28
4. Step 4: Simplify right side
   1,369.54x = 1,751,882.29
5. Step 5: Solve for x
   x = 1,751,882.29/1,369.54
6. Step 6: Final answer
   x = 1,279.18