Finding the Fourth Proportional to 3,383.96, 5,068.84 and 2,150.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383.96 : 5,068.84 = 2,150.76 : x
2. Step 2: Convert to fraction form
   3,383.96/5,068.84 = 2,150.76/x
3. Step 3: Cross multiply
   3,383.96x = 5,068.84 × 2,150.76
4. Step 4: Simplify right side
   3,383.96x = 10,901,858.32
5. Step 5: Solve for x
   x = 10,901,858.32/3,383.96
6. Step 6: Final answer
   x = 3,221.63