Finding the Fourth Proportional to 17,803.50, 24,568.56 and 12,708.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,803.50 : 24,568.56 = 12,708.42 : x
2. Step 2: Convert to fraction form
   17,803.50/24,568.56 = 12,708.42/x
3. Step 3: Cross multiply
   17,803.50x = 24,568.56 × 12,708.42
4. Step 4: Simplify right side
   17,803.50x = 312,227,579.28
5. Step 5: Solve for x
   x = 312,227,579.28/17,803.50
6. Step 6: Final answer
   x = 17,537.43