Finding the Fourth Proportional to 2,164.18, 3,242.91 and 1,731.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.18 : 3,242.91 = 1,731.22 : x
2. Step 2: Convert to fraction form
   2,164.18/3,242.91 = 1,731.22/x
3. Step 3: Cross multiply
   2,164.18x = 3,242.91 × 1,731.22
4. Step 4: Simplify right side
   2,164.18x = 5,614,190.65
5. Step 5: Solve for x
   x = 5,614,190.65/2,164.18
6. Step 6: Final answer
   x = 2,594.14