Finding the Fourth Proportional to 1,323.06, 1,984.86 and 705.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.06 : 1,984.86 = 705.30 : x
2. Step 2: Convert to fraction form
   1,323.06/1,984.86 = 705.30/x
3. Step 3: Cross multiply
   1,323.06x = 1,984.86 × 705.30
4. Step 4: Simplify right side
   1,323.06x = 1,399,921.76
5. Step 5: Solve for x
   x = 1,399,921.76/1,323.06
6. Step 6: Final answer
   x = 1,058.09