Finding the Fourth Proportional to 3,422.82, 4,723.38 and 2,164.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,422.82 : 4,723.38 = 2,164.56 : x
2. Step 2: Convert to fraction form
   3,422.82/4,723.38 = 2,164.56/x
3. Step 3: Cross multiply
   3,422.82x = 4,723.38 × 2,164.56
4. Step 4: Simplify right side
   3,422.82x = 10,224,039.41
5. Step 5: Solve for x
   x = 10,224,039.41/3,422.82
6. Step 6: Final answer
   x = 2,987.02