Finding the Fourth Proportional to 15,568.41, 21,483.72 and 8,854.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,568.41 : 21,483.72 = 8,854.59 : x
2. Step 2: Convert to fraction form
   15,568.41/21,483.72 = 8,854.59/x
3. Step 3: Cross multiply
   15,568.41x = 21,483.72 × 8,854.59
4. Step 4: Simplify right side
   15,568.41x = 190,229,532.27
5. Step 5: Solve for x
   x = 190,229,532.27/15,568.41
6. Step 6: Final answer
   x = 12,218.94