Finding the Fourth Proportional to 3,601.37, 4,970.54 and 2,109.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.37 : 4,970.54 = 2,109.20 : x
2. Step 2: Convert to fraction form
   3,601.37/4,970.54 = 2,109.20/x
3. Step 3: Cross multiply
   3,601.37x = 4,970.54 × 2,109.20
4. Step 4: Simplify right side
   3,601.37x = 10,483,852.42
5. Step 5: Solve for x
   x = 10,483,852.42/3,601.37
6. Step 6: Final answer
   x = 2,911.07