Finding the Fourth Proportional to 3,601.50, 4,970.71 and 2,109.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.50 : 4,970.71 = 2,109.33 : x
2. Step 2: Convert to fraction form
   3,601.50/4,970.71 = 2,109.33/x
3. Step 3: Cross multiply
   3,601.50x = 4,970.71 × 2,109.33
4. Step 4: Simplify right side
   3,601.50x = 10,484,867.72
5. Step 5: Solve for x
   x = 10,484,867.72/3,601.50
6. Step 6: Final answer
   x = 2,911.25