Finding the Fourth Proportional to 2,114.50, 3,173.10 and 1,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.50 : 3,173.10 = 1,628.50 : x
2. Step 2: Convert to fraction form
   2,114.50/3,173.10 = 1,628.50/x
3. Step 3: Cross multiply
   2,114.50x = 3,173.10 × 1,628.50
4. Step 4: Simplify right side
   2,114.50x = 5,167,393.35
5. Step 5: Solve for x
   x = 5,167,393.35/2,114.50
6. Step 6: Final answer
   x = 2,443.79