Finding the Fourth Proportional to 3,925.83, 5,411.97 and 2,597.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.83 : 5,411.97 = 2,597.31 : x
2. Step 2: Convert to fraction form
   3,925.83/5,411.97 = 2,597.31/x
3. Step 3: Cross multiply
   3,925.83x = 5,411.97 × 2,597.31
4. Step 4: Simplify right side
   3,925.83x = 14,056,563.80
5. Step 5: Solve for x
   x = 14,056,563.80/3,925.83
6. Step 6: Final answer
   x = 3,580.53