Finding the Fourth Proportional to 2,680.01, 4,019.72 and 705.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.01 : 4,019.72 = 705.84 : x
2. Step 2: Convert to fraction form
   2,680.01/4,019.72 = 705.84/x
3. Step 3: Cross multiply
   2,680.01x = 4,019.72 × 705.84
4. Step 4: Simplify right side
   2,680.01x = 2,837,279.16
5. Step 5: Solve for x
   x = 2,837,279.16/2,680.01
6. Step 6: Final answer
   x = 1,058.68