Finding the Fourth Proportional to 2,624.64, 3,622.02 and 1,445.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.64 : 3,622.02 = 1,445.72 : x
2. Step 2: Convert to fraction form
   2,624.64/3,622.02 = 1,445.72/x
3. Step 3: Cross multiply
   2,624.64x = 3,622.02 × 1,445.72
4. Step 4: Simplify right side
   2,624.64x = 5,236,426.75
5. Step 5: Solve for x
   x = 5,236,426.75/2,624.64
6. Step 6: Final answer
   x = 1,995.10