Finding the Fourth Proportional to 2,815.72, 3,883.46 and 2,627.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815.72 : 3,883.46 = 2,627.08 : x
2. Step 2: Convert to fraction form
   2,815.72/3,883.46 = 2,627.08/x
3. Step 3: Cross multiply
   2,815.72x = 3,883.46 × 2,627.08
4. Step 4: Simplify right side
   2,815.72x = 10,202,160.10
5. Step 5: Solve for x
   x = 10,202,160.10/2,815.72
6. Step 6: Final answer
   x = 3,623.29