Finding the Fourth Proportional to 2,624.36, 3,621.72 and 1,505.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.36 : 3,621.72 = 1,505.28 : x
2. Step 2: Convert to fraction form
   2,624.36/3,621.72 = 1,505.28/x
3. Step 3: Cross multiply
   2,624.36x = 3,621.72 × 1,505.28
4. Step 4: Simplify right side
   2,624.36x = 5,451,702.68
5. Step 5: Solve for x
   x = 5,451,702.68/2,624.36
6. Step 6: Final answer
   x = 2,077.35