Finding the Fourth Proportional to 1,365.92, 2,046.86 and 706.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.92 : 2,046.86 = 706.31 : x
2. Step 2: Convert to fraction form
   1,365.92/2,046.86 = 706.31/x
3. Step 3: Cross multiply
   1,365.92x = 2,046.86 × 706.31
4. Step 4: Simplify right side
   1,365.92x = 1,445,714.16
5. Step 5: Solve for x
   x = 1,445,714.16/1,365.92
6. Step 6: Final answer
   x = 1,058.42