Finding the Fourth Proportional to 2,725.34, 4,087.81 and 970.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.34 : 4,087.81 = 970.27 : x
2. Step 2: Convert to fraction form
   2,725.34/4,087.81 = 970.27/x
3. Step 3: Cross multiply
   2,725.34x = 4,087.81 × 970.27
4. Step 4: Simplify right side
   2,725.34x = 3,966,279.41
5. Step 5: Solve for x
   x = 3,966,279.41/2,725.34
6. Step 6: Final answer
   x = 1,455.33