Finding the Fourth Proportional to 2,971.05, 4,457.57 and 1,122.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.05 : 4,457.57 = 1,122.69 : x
2. Step 2: Convert to fraction form
   2,971.05/4,457.57 = 1,122.69/x
3. Step 3: Cross multiply
   2,971.05x = 4,457.57 × 1,122.69
4. Step 4: Simplify right side
   2,971.05x = 5,004,469.26
5. Step 5: Solve for x
   x = 5,004,469.26/2,971.05
6. Step 6: Final answer
   x = 1,684.41