Finding the Fourth Proportional to 13,049.36, 17,897.39 and 12,513.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,049.36 : 17,897.39 = 12,513.54 : x
2. Step 2: Convert to fraction form
   13,049.36/17,897.39 = 12,513.54/x
3. Step 3: Cross multiply
   13,049.36x = 17,897.39 × 12,513.54
4. Step 4: Simplify right side
   13,049.36x = 223,959,705.66
5. Step 5: Solve for x
   x = 223,959,705.66/13,049.36
6. Step 6: Final answer
   x = 17,162.50