Finding the Fourth Proportional to 3,835.42, 5,747.78 and 1,860.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,835.42 : 5,747.78 = 1,860.23 : x
2. Step 2: Convert to fraction form
   3,835.42/5,747.78 = 1,860.23/x
3. Step 3: Cross multiply
   3,835.42x = 5,747.78 × 1,860.23
4. Step 4: Simplify right side
   3,835.42x = 10,692,192.79
5. Step 5: Solve for x
   x = 10,692,192.79/3,835.42
6. Step 6: Final answer
   x = 2,787.75