Finding the Fourth Proportional to 3,261.86, 4,883.46 and 2,164.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,261.86 : 4,883.46 = 2,164.04 : x
2. Step 2: Convert to fraction form
   3,261.86/4,883.46 = 2,164.04/x
3. Step 3: Cross multiply
   3,261.86x = 4,883.46 × 2,164.04
4. Step 4: Simplify right side
   3,261.86x = 10,567,978.36
5. Step 5: Solve for x
   x = 10,567,978.36/3,261.86
6. Step 6: Final answer
   x = 3,239.87