Finding the Fourth Proportional to 2,945.27, 4,416.69 and 997.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.27 : 4,416.69 = 997.22 : x
2. Step 2: Convert to fraction form
   2,945.27/4,416.69 = 997.22/x
3. Step 3: Cross multiply
   2,945.27x = 4,416.69 × 997.22
4. Step 4: Simplify right side
   2,945.27x = 4,404,411.60
5. Step 5: Solve for x
   x = 4,404,411.60/2,945.27
6. Step 6: Final answer
   x = 1,495.42