Finding the Fourth Proportional to 2,147.10, 3,223.06 and 1,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.10 : 3,223.06 = 1,662.30 : x
2. Step 2: Convert to fraction form
   2,147.10/3,223.06 = 1,662.30/x
3. Step 3: Cross multiply
   2,147.10x = 3,223.06 × 1,662.30
4. Step 4: Simplify right side
   2,147.10x = 5,357,692.64
5. Step 5: Solve for x
   x = 5,357,692.64/2,147.10
6. Step 6: Final answer
   x = 2,495.32