Finding the Fourth Proportional to 3,259.69, 4,887.37 and 1,179.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259.69 : 4,887.37 = 1,179.42 : x
2. Step 2: Convert to fraction form
   3,259.69/4,887.37 = 1,179.42/x
3. Step 3: Cross multiply
   3,259.69x = 4,887.37 × 1,179.42
4. Step 4: Simplify right side
   3,259.69x = 5,764,272.95
5. Step 5: Solve for x
   x = 5,764,272.95/3,259.69
6. Step 6: Final answer
   x = 1,768.35