Finding the Fourth Proportional to 2,624.51, 3,621.69 and 1,445.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.51 : 3,621.69 = 1,445.55 : x
2. Step 2: Convert to fraction form
   2,624.51/3,621.69 = 1,445.55/x
3. Step 3: Cross multiply
   2,624.51x = 3,621.69 × 1,445.55
4. Step 4: Simplify right side
   2,624.51x = 5,235,333.98
5. Step 5: Solve for x
   x = 5,235,333.98/2,624.51
6. Step 6: Final answer
   x = 1,994.79