Finding the Fourth Proportional to 13,568.72, 18,724.78 and 7,600.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,568.72 : 18,724.78 = 7,600.48 : x
2. Step 2: Convert to fraction form
   13,568.72/18,724.78 = 7,600.48/x
3. Step 3: Cross multiply
   13,568.72x = 18,724.78 × 7,600.48
4. Step 4: Simplify right side
   13,568.72x = 142,317,315.89
5. Step 5: Solve for x
   x = 142,317,315.89/13,568.72
6. Step 6: Final answer
   x = 10,488.63