Finding the Fourth Proportional to 2,945.98, 4,419.62 and 971.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.98 : 4,419.62 = 971.53 : x
2. Step 2: Convert to fraction form
   2,945.98/4,419.62 = 971.53/x
3. Step 3: Cross multiply
   2,945.98x = 4,419.62 × 971.53
4. Step 4: Simplify right side
   2,945.98x = 4,293,788.56
5. Step 5: Solve for x
   x = 4,293,788.56/2,945.98
6. Step 6: Final answer
   x = 1,457.51