Finding the Fourth Proportional to 3,659.96, 5,050.54 and 2,168

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.96 : 5,050.54 = 2,168 : x
2. Step 2: Convert to fraction form
   3,659.96/5,050.54 = 2,168/x
3. Step 3: Cross multiply
   3,659.96x = 5,050.54 × 2,168
4. Step 4: Simplify right side
   3,659.96x = 10,949,570.72
5. Step 5: Solve for x
   x = 10,949,570.72/3,659.96
6. Step 6: Final answer
   x = 2,991.72