Finding the Fourth Proportional to 2,628.39, 3,627.81 and 1,580.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.39 : 3,627.81 = 1,580.25 : x
2. Step 2: Convert to fraction form
   2,628.39/3,627.81 = 1,580.25/x
3. Step 3: Cross multiply
   2,628.39x = 3,627.81 × 1,580.25
4. Step 4: Simplify right side
   2,628.39x = 5,732,846.75
5. Step 5: Solve for x
   x = 5,732,846.75/2,628.39
6. Step 6: Final answer
   x = 2,181.12