Finding the Fourth Proportional to 1,058.33, 1,460.01 and 685.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.33 : 1,460.01 = 685.43 : x
2. Step 2: Convert to fraction form
   1,058.33/1,460.01 = 685.43/x
3. Step 3: Cross multiply
   1,058.33x = 1,460.01 × 685.43
4. Step 4: Simplify right side
   1,058.33x = 1,000,740.02
5. Step 5: Solve for x
   x = 1,000,740.02/1,058.33
6. Step 6: Final answer
   x = 945.58