Finding the Fourth Proportional to 23,780.43, 32,817.33 and 13,708.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,780.43 : 32,817.33 = 13,708.69 : x
2. Step 2: Convert to fraction form
   23,780.43/32,817.33 = 13,708.69/x
3. Step 3: Cross multiply
   23,780.43x = 32,817.33 × 13,708.69
4. Step 4: Simplify right side
   23,780.43x = 449,882,603.60
5. Step 5: Solve for x
   x = 449,882,603.60/23,780.43
6. Step 6: Final answer
   x = 18,918.19