Finding the Fourth Proportional to 2,624.45, 3,621.74 and 1,445.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.45 : 3,621.74 = 1,445.49 : x
2. Step 2: Convert to fraction form
   2,624.45/3,621.74 = 1,445.49/x
3. Step 3: Cross multiply
   2,624.45x = 3,621.74 × 1,445.49
4. Step 4: Simplify right side
   2,624.45x = 5,235,188.95
5. Step 5: Solve for x
   x = 5,235,188.95/2,624.45
6. Step 6: Final answer
   x = 1,994.78