Finding the Fourth Proportional to 13,536.81, 18,682.51 and 7,568.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,536.81 : 18,682.51 = 7,568.83 : x
2. Step 2: Convert to fraction form
   13,536.81/18,682.51 = 7,568.83/x
3. Step 3: Cross multiply
   13,536.81x = 18,682.51 × 7,568.83
4. Step 4: Simplify right side
   13,536.81x = 141,404,742.16
5. Step 5: Solve for x
   x = 141,404,742.16/13,536.81
6. Step 6: Final answer
   x = 10,445.94