Finding the Fourth Proportional to 13,536.88, 18,680.83 and 7,568.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,536.88 : 18,680.83 = 7,568.53 : x
2. Step 2: Convert to fraction form
   13,536.88/18,680.83 = 7,568.53/x
3. Step 3: Cross multiply
   13,536.88x = 18,680.83 × 7,568.53
4. Step 4: Simplify right side
   13,536.88x = 141,386,422.28
5. Step 5: Solve for x
   x = 141,386,422.28/13,536.88
6. Step 6: Final answer
   x = 10,444.54