Finding the Fourth Proportional to 4,087.98, 6,147.63 and 3,256.92

Step by Step Solution

1. Step 1: Write the proportion equation
   4,087.98 : 6,147.63 = 3,256.92 : x
2. Step 2: Convert to fraction form
   4,087.98/6,147.63 = 3,256.92/x
3. Step 3: Cross multiply
   4,087.98x = 6,147.63 × 3,256.92
4. Step 4: Simplify right side
   4,087.98x = 20,022,339.10
5. Step 5: Solve for x
   x = 20,022,339.10/4,087.98
6. Step 6: Final answer
   x = 4,897.86