Finding the Fourth Proportional to 7,959.88, 11,942.72 and 3,853

Step by Step Solution

1. Step 1: Write the proportion equation
   7,959.88 : 11,942.72 = 3,853 : x
2. Step 2: Convert to fraction form
   7,959.88/11,942.72 = 3,853/x
3. Step 3: Cross multiply
   7,959.88x = 11,942.72 × 3,853
4. Step 4: Simplify right side
   7,959.88x = 46,015,300.16
5. Step 5: Solve for x
   x = 46,015,300.16/7,959.88
6. Step 6: Final answer
   x = 5,780.90