Finding the Fourth Proportional to 3,960.42, 5,942.06 and 1,853.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.42 : 5,942.06 = 1,853.89 : x
2. Step 2: Convert to fraction form
   3,960.42/5,942.06 = 1,853.89/x
3. Step 3: Cross multiply
   3,960.42x = 5,942.06 × 1,853.89
4. Step 4: Simplify right side
   3,960.42x = 11,015,925.61
5. Step 5: Solve for x
   x = 11,015,925.61/3,960.42
6. Step 6: Final answer
   x = 2,781.50