Finding the Fourth Proportional to 23,178.98, 31,986.81 and 12,568.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,178.98 : 31,986.81 = 12,568.59 : x
2. Step 2: Convert to fraction form
   23,178.98/31,986.81 = 12,568.59/x
3. Step 3: Cross multiply
   23,178.98x = 31,986.81 × 12,568.59
4. Step 4: Simplify right side
   23,178.98x = 402,029,100.30
5. Step 5: Solve for x
   x = 402,029,100.30/23,178.98
6. Step 6: Final answer
   x = 17,344.56