Finding the Fourth Proportional to 2,624.21, 3,621.43 and 1,445.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.21 : 3,621.43 = 1,445.30 : x
2. Step 2: Convert to fraction form
   2,624.21/3,621.43 = 1,445.30/x
3. Step 3: Cross multiply
   2,624.21x = 3,621.43 × 1,445.30
4. Step 4: Simplify right side
   2,624.21x = 5,234,058.22
5. Step 5: Solve for x
   x = 5,234,058.22/2,624.21
6. Step 6: Final answer
   x = 1,994.53