Finding the Fourth Proportional to 2,614.02, 3,922.56 and 971.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.02 : 3,922.56 = 971.72 : x
2. Step 2: Convert to fraction form
   2,614.02/3,922.56 = 971.72/x
3. Step 3: Cross multiply
   2,614.02x = 3,922.56 × 971.72
4. Step 4: Simplify right side
   2,614.02x = 3,811,630.00
5. Step 5: Solve for x
   x = 3,811,630.00/2,614.02
6. Step 6: Final answer
   x = 1,458.15