Finding the Fourth Proportional to 3,601.71, 4,969.68 and 2,109.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.71 : 4,969.68 = 2,109.69 : x
2. Step 2: Convert to fraction form
   3,601.71/4,969.68 = 2,109.69/x
3. Step 3: Cross multiply
   3,601.71x = 4,969.68 × 2,109.69
4. Step 4: Simplify right side
   3,601.71x = 10,484,484.20
5. Step 5: Solve for x
   x = 10,484,484.20/3,601.71
6. Step 6: Final answer
   x = 2,910.97