Finding the Fourth Proportional to 2,945.95, 4,419.46 and 971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.95 : 4,419.46 = 971.69 : x
2. Step 2: Convert to fraction form
   2,945.95/4,419.46 = 971.69/x
3. Step 3: Cross multiply
   2,945.95x = 4,419.46 × 971.69
4. Step 4: Simplify right side
   2,945.95x = 4,294,345.09
5. Step 5: Solve for x
   x = 4,294,345.09/2,945.95
6. Step 6: Final answer
   x = 1,457.71