Finding the Fourth Proportional to 23,830.66, 32,890.24 and 13,223.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,830.66 : 32,890.24 = 13,223.71 : x
2. Step 2: Convert to fraction form
   23,830.66/32,890.24 = 13,223.71/x
3. Step 3: Cross multiply
   23,830.66x = 32,890.24 × 13,223.71
4. Step 4: Simplify right side
   23,830.66x = 434,930,995.59
5. Step 5: Solve for x
   x = 434,930,995.59/23,830.66
6. Step 6: Final answer
   x = 18,250.90