Finding the Fourth Proportional to 2,113.02, 3,172.27 and 1,626.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.02 : 3,172.27 = 1,626.42 : x
2. Step 2: Convert to fraction form
   2,113.02/3,172.27 = 1,626.42/x
3. Step 3: Cross multiply
   2,113.02x = 3,172.27 × 1,626.42
4. Step 4: Simplify right side
   2,113.02x = 5,159,443.37
5. Step 5: Solve for x
   x = 5,159,443.37/2,113.02
6. Step 6: Final answer
   x = 2,441.74