Finding the Fourth Proportional to 13,208.04, 19,815.13 and 3,849.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,208.04 : 19,815.13 = 3,849.05 : x
2. Step 2: Convert to fraction form
   13,208.04/19,815.13 = 3,849.05/x
3. Step 3: Cross multiply
   13,208.04x = 19,815.13 × 3,849.05
4. Step 4: Simplify right side
   13,208.04x = 76,269,480.48
5. Step 5: Solve for x
   x = 76,269,480.48/13,208.04
6. Step 6: Final answer
   x = 5,774.47