Finding the Fourth Proportional to 3,959.89, 5,941.27 and 1,853.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.89 : 5,941.27 = 1,853.37 : x
2. Step 2: Convert to fraction form
   3,959.89/5,941.27 = 1,853.37/x
3. Step 3: Cross multiply
   3,959.89x = 5,941.27 × 1,853.37
4. Step 4: Simplify right side
   3,959.89x = 11,011,373.90
5. Step 5: Solve for x
   x = 11,011,373.90/3,959.89
6. Step 6: Final answer
   x = 2,780.73