Finding the Fourth Proportional to 2,166.72, 3,250.56 and 705.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.72 : 3,250.56 = 705.84 : x
2. Step 2: Convert to fraction form
   2,166.72/3,250.56 = 705.84/x
3. Step 3: Cross multiply
   2,166.72x = 3,250.56 × 705.84
4. Step 4: Simplify right side
   2,166.72x = 2,294,375.27
5. Step 5: Solve for x
   x = 2,294,375.27/2,166.72
6. Step 6: Final answer
   x = 1,058.92