Finding the Fourth Proportional to 2,622.56, 3,618.91 and 1,627.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.56 : 3,618.91 = 1,627.47 : x
2. Step 2: Convert to fraction form
   2,622.56/3,618.91 = 1,627.47/x
3. Step 3: Cross multiply
   2,622.56x = 3,618.91 × 1,627.47
4. Step 4: Simplify right side
   2,622.56x = 5,889,667.46
5. Step 5: Solve for x
   x = 5,889,667.46/2,622.56
6. Step 6: Final answer
   x = 2,245.77