Finding the Fourth Proportional to 13,224.89, 18,250.34 and 7,559.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,224.89 : 18,250.34 = 7,559.76 : x
2. Step 2: Convert to fraction form
   13,224.89/18,250.34 = 7,559.76/x
3. Step 3: Cross multiply
   13,224.89x = 18,250.34 × 7,559.76
4. Step 4: Simplify right side
   13,224.89x = 137,968,109.49
5. Step 5: Solve for x
   x = 137,968,109.49/13,224.89
6. Step 6: Final answer
   x = 10,432.46