Finding the Fourth Proportional to 3,589.82, 4,953.78 and 2,173.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,589.82 : 4,953.78 = 2,173.88 : x
2. Step 2: Convert to fraction form
   3,589.82/4,953.78 = 2,173.88/x
3. Step 3: Cross multiply
   3,589.82x = 4,953.78 × 2,173.88
4. Step 4: Simplify right side
   3,589.82x = 10,768,923.27
5. Step 5: Solve for x
   x = 10,768,923.27/3,589.82
6. Step 6: Final answer
   x = 2,999.85