Finding the Fourth Proportional to 2,614.88, 3,923.46 and 971.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.88 : 3,923.46 = 971.06 : x
2. Step 2: Convert to fraction form
   2,614.88/3,923.46 = 971.06/x
3. Step 3: Cross multiply
   2,614.88x = 3,923.46 × 971.06
4. Step 4: Simplify right side
   2,614.88x = 3,809,915.07
5. Step 5: Solve for x
   x = 3,809,915.07/2,614.88
6. Step 6: Final answer
   x = 1,457.01