Finding the Fourth Proportional to 2,167.47, 3,250.87 and 706.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.47 : 3,250.87 = 706.61 : x
2. Step 2: Convert to fraction form
   2,167.47/3,250.87 = 706.61/x
3. Step 3: Cross multiply
   2,167.47x = 3,250.87 × 706.61
4. Step 4: Simplify right side
   2,167.47x = 2,297,103.61
5. Step 5: Solve for x
   x = 2,297,103.61/2,167.47
6. Step 6: Final answer
   x = 1,059.81