Finding the Fourth Proportional to 2,631.97, 3,945.22 and 1,073.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.97 : 3,945.22 = 1,073.06 : x
2. Step 2: Convert to fraction form
   2,631.97/3,945.22 = 1,073.06/x
3. Step 3: Cross multiply
   2,631.97x = 3,945.22 × 1,073.06
4. Step 4: Simplify right side
   2,631.97x = 4,233,457.77
5. Step 5: Solve for x
   x = 4,233,457.77/2,631.97
6. Step 6: Final answer
   x = 1,608.47