Finding the Fourth Proportional to 2,969.37, 4,097.71 and 1,643.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.37 : 4,097.71 = 1,643.05 : x
2. Step 2: Convert to fraction form
   2,969.37/4,097.71 = 1,643.05/x
3. Step 3: Cross multiply
   2,969.37x = 4,097.71 × 1,643.05
4. Step 4: Simplify right side
   2,969.37x = 6,732,713.71
5. Step 5: Solve for x
   x = 6,732,713.71/2,969.37
6. Step 6: Final answer
   x = 2,267.39