Finding the Fourth Proportional to 2,628.56, 3,627.43 and 1,580.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.56 : 3,627.43 = 1,580.83 : x
2. Step 2: Convert to fraction form
   2,628.56/3,627.43 = 1,580.83/x
3. Step 3: Cross multiply
   2,628.56x = 3,627.43 × 1,580.83
4. Step 4: Simplify right side
   2,628.56x = 5,734,337.15
5. Step 5: Solve for x
   x = 5,734,337.15/2,628.56
6. Step 6: Final answer
   x = 2,181.55