Finding the Fourth Proportional to 2,626.34, 3,624.36 and 1,578.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.34 : 3,624.36 = 1,578.42 : x
2. Step 2: Convert to fraction form
   2,626.34/3,624.36 = 1,578.42/x
3. Step 3: Cross multiply
   2,626.34x = 3,624.36 × 1,578.42
4. Step 4: Simplify right side
   2,626.34x = 5,720,762.31
5. Step 5: Solve for x
   x = 5,720,762.31/2,626.34
6. Step 6: Final answer
   x = 2,178.23