Finding the Fourth Proportional to 2,595.47, 3,893.27 and 864.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,595.47 : 3,893.27 = 864.10 : x
2. Step 2: Convert to fraction form
   2,595.47/3,893.27 = 864.10/x
3. Step 3: Cross multiply
   2,595.47x = 3,893.27 × 864.10
4. Step 4: Simplify right side
   2,595.47x = 3,364,167.03
5. Step 5: Solve for x
   x = 3,364,167.03/2,595.47
6. Step 6: Final answer
   x = 1,296.17