Finding the Fourth Proportional to 2,166.89, 3,250.73 and 706.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.89 : 3,250.73 = 706.46 : x
2. Step 2: Convert to fraction form
   2,166.89/3,250.73 = 706.46/x
3. Step 3: Cross multiply
   2,166.89x = 3,250.73 × 706.46
4. Step 4: Simplify right side
   2,166.89x = 2,296,496.23
5. Step 5: Solve for x
   x = 2,296,496.23/2,166.89
6. Step 6: Final answer
   x = 1,059.81