Finding the Fourth Proportional to 2,624.50, 3,621.72 and 1,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.50 : 3,621.72 = 1,445.50 : x
2. Step 2: Convert to fraction form
   2,624.50/3,621.72 = 1,445.50/x
3. Step 3: Cross multiply
   2,624.50x = 3,621.72 × 1,445.50
4. Step 4: Simplify right side
   2,624.50x = 5,235,196.26
5. Step 5: Solve for x
   x = 5,235,196.26/2,624.50
6. Step 6: Final answer
   x = 1,994.74