Finding the Fourth Proportional to 2,626.39, 3,624.48 and 1,431.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.39 : 3,624.48 = 1,431.41 : x
2. Step 2: Convert to fraction form
   2,626.39/3,624.48 = 1,431.41/x
3. Step 3: Cross multiply
   2,626.39x = 3,624.48 × 1,431.41
4. Step 4: Simplify right side
   2,626.39x = 5,188,098.79
5. Step 5: Solve for x
   x = 5,188,098.79/2,626.39
6. Step 6: Final answer
   x = 1,975.37