Finding the Fourth Proportional to 2,622.45, 3,930.09 and 1,450.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.45 : 3,930.09 = 1,450.72 : x
2. Step 2: Convert to fraction form
   2,622.45/3,930.09 = 1,450.72/x
3. Step 3: Cross multiply
   2,622.45x = 3,930.09 × 1,450.72
4. Step 4: Simplify right side
   2,622.45x = 5,701,460.16
5. Step 5: Solve for x
   x = 5,701,460.16/2,622.45
6. Step 6: Final answer
   x = 2,174.10