Finding the Fourth Proportional to 4,064.12, 5,598.78 and 3,866.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,064.12 : 5,598.78 = 3,866.48 : x
2. Step 2: Convert to fraction form
   4,064.12/5,598.78 = 3,866.48/x
3. Step 3: Cross multiply
   4,064.12x = 5,598.78 × 3,866.48
4. Step 4: Simplify right side
   4,064.12x = 21,647,570.89
5. Step 5: Solve for x
   x = 21,647,570.89/4,064.12
6. Step 6: Final answer
   x = 5,326.51