Finding the Fourth Proportional to 1,059.33, 1,460.92 and 685.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.33 : 1,460.92 = 685.92 : x
2. Step 2: Convert to fraction form
   1,059.33/1,460.92 = 685.92/x
3. Step 3: Cross multiply
   1,059.33x = 1,460.92 × 685.92
4. Step 4: Simplify right side
   1,059.33x = 1,002,063.51
5. Step 5: Solve for x
   x = 1,002,063.51/1,059.33
6. Step 6: Final answer
   x = 945.95