Finding the Fourth Proportional to 12,828.18, 19,243.59 and 3,468.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828.18 : 19,243.59 = 3,468.24 : x
2. Step 2: Convert to fraction form
   12,828.18/19,243.59 = 3,468.24/x
3. Step 3: Cross multiply
   12,828.18x = 19,243.59 × 3,468.24
4. Step 4: Simplify right side
   12,828.18x = 66,741,388.58
5. Step 5: Solve for x
   x = 66,741,388.58/12,828.18
6. Step 6: Final answer
   x = 5,202.72