Finding the Fourth Proportional to 13,227.91, 18,254.50 and 7,259.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,227.91 : 18,254.50 = 7,259.59 : x
2. Step 2: Convert to fraction form
   13,227.91/18,254.50 = 7,259.59/x
3. Step 3: Cross multiply
   13,227.91x = 18,254.50 × 7,259.59
4. Step 4: Simplify right side
   13,227.91x = 132,520,190.32
5. Step 5: Solve for x
   x = 132,520,190.32/13,227.91
6. Step 6: Final answer
   x = 10,018.23