Finding the Fourth Proportional to 2,646.09, 3,963.18 and 2,595.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.09 : 3,963.18 = 2,595.27 : x
2. Step 2: Convert to fraction form
   2,646.09/3,963.18 = 2,595.27/x
3. Step 3: Cross multiply
   2,646.09x = 3,963.18 × 2,595.27
4. Step 4: Simplify right side
   2,646.09x = 10,285,522.16
5. Step 5: Solve for x
   x = 10,285,522.16/2,646.09
6. Step 6: Final answer
   x = 3,887.06