Finding the Fourth Proportional to 12,568.58, 17,333.05 and 8,541.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.58 : 17,333.05 = 8,541.42 : x
2. Step 2: Convert to fraction form
   12,568.58/17,333.05 = 8,541.42/x
3. Step 3: Cross multiply
   12,568.58x = 17,333.05 × 8,541.42
4. Step 4: Simplify right side
   12,568.58x = 148,048,805.61
5. Step 5: Solve for x
   x = 148,048,805.61/12,568.58
6. Step 6: Final answer
   x = 11,779.28