Finding the Fourth Proportional to 12,568.88, 17,339.76 and 7,531.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.88 : 17,339.76 = 7,531.49 : x
2. Step 2: Convert to fraction form
   12,568.88/17,339.76 = 7,531.49/x
3. Step 3: Cross multiply
   12,568.88x = 17,339.76 × 7,531.49
4. Step 4: Simplify right side
   12,568.88x = 130,594,272.39
5. Step 5: Solve for x
   x = 130,594,272.39/12,568.88
6. Step 6: Final answer
   x = 10,390.29