Finding the Fourth Proportional to 1,258.49, 1,736.24 and 927.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.49 : 1,736.24 = 927.71 : x
2. Step 2: Convert to fraction form
   1,258.49/1,736.24 = 927.71/x
3. Step 3: Cross multiply
   1,258.49x = 1,736.24 × 927.71
4. Step 4: Simplify right side
   1,258.49x = 1,610,713.89
5. Step 5: Solve for x
   x = 1,610,713.89/1,258.49
6. Step 6: Final answer
   x = 1,279.88