Finding the Fourth Proportional to 2,624.05, 3,621.35 and 1,445.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.05 : 3,621.35 = 1,445.12 : x
2. Step 2: Convert to fraction form
   2,624.05/3,621.35 = 1,445.12/x
3. Step 3: Cross multiply
   2,624.05x = 3,621.35 × 1,445.12
4. Step 4: Simplify right side
   2,624.05x = 5,233,293.90
5. Step 5: Solve for x
   x = 5,233,293.90/2,624.05
6. Step 6: Final answer
   x = 1,994.36