Finding the Fourth Proportional to 13,227.53, 18,253.94 and 7,259.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,227.53 : 18,253.94 = 7,259.30 : x
2. Step 2: Convert to fraction form
   13,227.53/18,253.94 = 7,259.30/x
3. Step 3: Cross multiply
   13,227.53x = 18,253.94 × 7,259.30
4. Step 4: Simplify right side
   13,227.53x = 132,510,762.86
5. Step 5: Solve for x
   x = 132,510,762.86/13,227.53
6. Step 6: Final answer
   x = 10,017.80