Finding the Fourth Proportional to 13,617.48, 18,791.63 and 7,568.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,617.48 : 18,791.63 = 7,568.10 : x
2. Step 2: Convert to fraction form
   13,617.48/18,791.63 = 7,568.10/x
3. Step 3: Cross multiply
   13,617.48x = 18,791.63 × 7,568.10
4. Step 4: Simplify right side
   13,617.48x = 142,216,949.22
5. Step 5: Solve for x
   x = 142,216,949.22/13,617.48
6. Step 6: Final answer
   x = 10,443.70