Finding the Fourth Proportional to 2,168.71, 3,250.98 and 706.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.71 : 3,250.98 = 706.87 : x
2. Step 2: Convert to fraction form
   2,168.71/3,250.98 = 706.87/x
3. Step 3: Cross multiply
   2,168.71x = 3,250.98 × 706.87
4. Step 4: Simplify right side
   2,168.71x = 2,298,020.23
5. Step 5: Solve for x
   x = 2,298,020.23/2,168.71
6. Step 6: Final answer
   x = 1,059.63