Finding the Fourth Proportional to 2,945.98, 4,419.35 and 971.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.98 : 4,419.35 = 971.02 : x
2. Step 2: Convert to fraction form
   2,945.98/4,419.35 = 971.02/x
3. Step 3: Cross multiply
   2,945.98x = 4,419.35 × 971.02
4. Step 4: Simplify right side
   2,945.98x = 4,291,277.24
5. Step 5: Solve for x
   x = 4,291,277.24/2,945.98
6. Step 6: Final answer
   x = 1,456.66