Finding the Fourth Proportional to 2,167.56, 3,250.74 and 706.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.56 : 3,250.74 = 706.80 : x
2. Step 2: Convert to fraction form
   2,167.56/3,250.74 = 706.80/x
3. Step 3: Cross multiply
   2,167.56x = 3,250.74 × 706.80
4. Step 4: Simplify right side
   2,167.56x = 2,297,623.03
5. Step 5: Solve for x
   x = 2,297,623.03/2,167.56
6. Step 6: Final answer
   x = 1,060.00