Finding the Fourth Proportional to 3,839.27, 5,307.63 and 3,804.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.27 : 5,307.63 = 3,804.18 : x
2. Step 2: Convert to fraction form
   3,839.27/5,307.63 = 3,804.18/x
3. Step 3: Cross multiply
   3,839.27x = 5,307.63 × 3,804.18
4. Step 4: Simplify right side
   3,839.27x = 20,191,179.89
5. Step 5: Solve for x
   x = 20,191,179.89/3,839.27
6. Step 6: Final answer
   x = 5,259.13