Finding the Fourth Proportional to 2,945.24, 4,418.63 and 971.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.24 : 4,418.63 = 971.16 : x
2. Step 2: Convert to fraction form
   2,945.24/4,418.63 = 971.16/x
3. Step 3: Cross multiply
   2,945.24x = 4,418.63 × 971.16
4. Step 4: Simplify right side
   2,945.24x = 4,291,191.86
5. Step 5: Solve for x
   x = 4,291,191.86/2,945.24
6. Step 6: Final answer
   x = 1,456.99