Finding the Fourth Proportional to 13,109.36, 19,663.52 and 3,248.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.36 : 19,663.52 = 3,248.37 : x
2. Step 2: Convert to fraction form
   13,109.36/19,663.52 = 3,248.37/x
3. Step 3: Cross multiply
   13,109.36x = 19,663.52 × 3,248.37
4. Step 4: Simplify right side
   13,109.36x = 63,874,372.22
5. Step 5: Solve for x
   x = 63,874,372.22/13,109.36
6. Step 6: Final answer
   x = 4,872.43