Finding the Fourth Proportional to 3,866.55, 5,799.69 and 1,269.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.55 : 5,799.69 = 1,269.42 : x
2. Step 2: Convert to fraction form
   3,866.55/5,799.69 = 1,269.42/x
3. Step 3: Cross multiply
   3,866.55x = 5,799.69 × 1,269.42
4. Step 4: Simplify right side
   3,866.55x = 7,362,242.48
5. Step 5: Solve for x
   x = 7,362,242.48/3,866.55
6. Step 6: Final answer
   x = 1,904.09