Finding the Fourth Proportional to 2,624.40, 3,620.94 and 1,629.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.40 : 3,620.94 = 1,629.72 : x
2. Step 2: Convert to fraction form
   2,624.40/3,620.94 = 1,629.72/x
3. Step 3: Cross multiply
   2,624.40x = 3,620.94 × 1,629.72
4. Step 4: Simplify right side
   2,624.40x = 5,901,118.34
5. Step 5: Solve for x
   x = 5,901,118.34/2,624.40
6. Step 6: Final answer
   x = 2,248.56