Finding the Fourth Proportional to 2,171.10, 2,995.89 and 1,604.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.10 : 2,995.89 = 1,604.24 : x
2. Step 2: Convert to fraction form
   2,171.10/2,995.89 = 1,604.24/x
3. Step 3: Cross multiply
   2,171.10x = 2,995.89 × 1,604.24
4. Step 4: Simplify right side
   2,171.10x = 4,806,111.59
5. Step 5: Solve for x
   x = 4,806,111.59/2,171.10
6. Step 6: Final answer
   x = 2,213.68