Finding the Fourth Proportional to 13,249.15, 19,873.52 and 3,388.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,249.15 : 19,873.52 = 3,388.34 : x
2. Step 2: Convert to fraction form
   13,249.15/19,873.52 = 3,388.34/x
3. Step 3: Cross multiply
   13,249.15x = 19,873.52 × 3,388.34
4. Step 4: Simplify right side
   13,249.15x = 67,338,225.82
5. Step 5: Solve for x
   x = 67,338,225.82/13,249.15
6. Step 6: Final answer
   x = 5,082.46