Finding the Fourth Proportional to 12,410.24, 18,615.48 and 3,645.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,410.24 : 18,615.48 = 3,645.30 : x
2. Step 2: Convert to fraction form
   12,410.24/18,615.48 = 3,645.30/x
3. Step 3: Cross multiply
   12,410.24x = 18,615.48 × 3,645.30
4. Step 4: Simplify right side
   12,410.24x = 67,859,009.24
5. Step 5: Solve for x
   x = 67,859,009.24/12,410.24
6. Step 6: Final answer
   x = 5,467.99