Finding the Fourth Proportional to 16,410.48, 22,638.12 and 11,103.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,410.48 : 22,638.12 = 11,103.36 : x
2. Step 2: Convert to fraction form
   16,410.48/22,638.12 = 11,103.36/x
3. Step 3: Cross multiply
   16,410.48x = 22,638.12 × 11,103.36
4. Step 4: Simplify right side
   16,410.48x = 251,359,196.08
5. Step 5: Solve for x
   x = 251,359,196.08/16,410.48
6. Step 6: Final answer
   x = 15,316.99