Finding the Fourth Proportional to 17,887.78, 24,676.56 and 12,585.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,887.78 : 24,676.56 = 12,585.52 : x
2. Step 2: Convert to fraction form
   17,887.78/24,676.56 = 12,585.52/x
3. Step 3: Cross multiply
   17,887.78x = 24,676.56 × 12,585.52
4. Step 4: Simplify right side
   17,887.78x = 310,567,339.41
5. Step 5: Solve for x
   x = 310,567,339.41/17,887.78
6. Step 6: Final answer
   x = 17,361.98