Finding the Fourth Proportional to 2,624.45, 3,621.72 and 1,505.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.45 : 3,621.72 = 1,505.39 : x
2. Step 2: Convert to fraction form
   2,624.45/3,621.72 = 1,505.39/x
3. Step 3: Cross multiply
   2,624.45x = 3,621.72 × 1,505.39
4. Step 4: Simplify right side
   2,624.45x = 5,452,101.07
5. Step 5: Solve for x
   x = 5,452,101.07/2,624.45
6. Step 6: Final answer
   x = 2,077.43