Finding the Fourth Proportional to 3,585.89, 4,949.01 and 2,170.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,585.89 : 4,949.01 = 2,170.72 : x
2. Step 2: Convert to fraction form
   3,585.89/4,949.01 = 2,170.72/x
3. Step 3: Cross multiply
   3,585.89x = 4,949.01 × 2,170.72
4. Step 4: Simplify right side
   3,585.89x = 10,742,904.13
5. Step 5: Solve for x
   x = 10,742,904.13/3,585.89
6. Step 6: Final answer
   x = 2,995.88