Finding the Fourth Proportional to 1,017.93, 1,528.52 and 705.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.93 : 1,528.52 = 705.68 : x
2. Step 2: Convert to fraction form
   1,017.93/1,528.52 = 705.68/x
3. Step 3: Cross multiply
   1,017.93x = 1,528.52 × 705.68
4. Step 4: Simplify right side
   1,017.93x = 1,078,634.82
5. Step 5: Solve for x
   x = 1,078,634.82/1,017.93
6. Step 6: Final answer
   x = 1,059.64