Finding the Fourth Proportional to 2,971.37, 4,457.34 and 863.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.37 : 4,457.34 = 863.06 : x
2. Step 2: Convert to fraction form
   2,971.37/4,457.34 = 863.06/x
3. Step 3: Cross multiply
   2,971.37x = 4,457.34 × 863.06
4. Step 4: Simplify right side
   2,971.37x = 3,846,929.57
5. Step 5: Solve for x
   x = 3,846,929.57/2,971.37
6. Step 6: Final answer
   x = 1,294.67