Finding the Fourth Proportional to 2,945.88, 4,419.32 and 971.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.88 : 4,419.32 = 971.97 : x
2. Step 2: Convert to fraction form
   2,945.88/4,419.32 = 971.97/x
3. Step 3: Cross multiply
   2,945.88x = 4,419.32 × 971.97
4. Step 4: Simplify right side
   2,945.88x = 4,295,441.60
5. Step 5: Solve for x
   x = 4,295,441.60/2,945.88
6. Step 6: Final answer
   x = 1,458.12