Finding the Fourth Proportional to 3,607.88, 5,405.67 and 2,562.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.88 : 5,405.67 = 2,562.71 : x
2. Step 2: Convert to fraction form
   3,607.88/5,405.67 = 2,562.71/x
3. Step 3: Cross multiply
   3,607.88x = 5,405.67 × 2,562.71
4. Step 4: Simplify right side
   3,607.88x = 13,853,137.54
5. Step 5: Solve for x
   x = 13,853,137.54/3,607.88
6. Step 6: Final answer
   x = 3,839.69