Finding the Fourth Proportional to 11,436.72, 17,154.84 and 3,645.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.72 : 17,154.84 = 3,645.36 : x
2. Step 2: Convert to fraction form
   11,436.72/17,154.84 = 3,645.36/x
3. Step 3: Cross multiply
   11,436.72x = 17,154.84 × 3,645.36
4. Step 4: Simplify right side
   11,436.72x = 62,535,567.54
5. Step 5: Solve for x
   x = 62,535,567.54/11,436.72
6. Step 6: Final answer
   x = 5,467.96