Finding the Fourth Proportional to 13,227.98, 18,255.27 and 7,259.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,227.98 : 18,255.27 = 7,259.60 : x
2. Step 2: Convert to fraction form
   13,227.98/18,255.27 = 7,259.60/x
3. Step 3: Cross multiply
   13,227.98x = 18,255.27 × 7,259.60
4. Step 4: Simplify right side
   13,227.98x = 132,525,866.82
5. Step 5: Solve for x
   x = 132,525,866.82/13,227.98
6. Step 6: Final answer
   x = 10,018.61