Finding the Fourth Proportional to 2,969.05, 4,097.33 and 1,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.05 : 4,097.33 = 1,642.72 : x
2. Step 2: Convert to fraction form
   2,969.05/4,097.33 = 1,642.72/x
3. Step 3: Cross multiply
   2,969.05x = 4,097.33 × 1,642.72
4. Step 4: Simplify right side
   2,969.05x = 6,730,765.94
5. Step 5: Solve for x
   x = 6,730,765.94/2,969.05
6. Step 6: Final answer
   x = 2,266.98