Finding the Fourth Proportional to 3,279.16, 4,921.98 and 2,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279.16 : 4,921.98 = 2,109.52 : x
2. Step 2: Convert to fraction form
   3,279.16/4,921.98 = 2,109.52/x
3. Step 3: Cross multiply
   3,279.16x = 4,921.98 × 2,109.52
4. Step 4: Simplify right side
   3,279.16x = 10,383,015.25
5. Step 5: Solve for x
   x = 10,383,015.25/3,279.16
6. Step 6: Final answer
   x = 3,166.36