Finding the Fourth Proportional to 23,830.91, 32,890.59 and 13,223.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,830.91 : 32,890.59 = 13,223.96 : x
2. Step 2: Convert to fraction form
   23,830.91/32,890.59 = 13,223.96/x
3. Step 3: Cross multiply
   23,830.91x = 32,890.59 × 13,223.96
4. Step 4: Simplify right side
   23,830.91x = 434,943,846.54
5. Step 5: Solve for x
   x = 434,943,846.54/23,830.91
6. Step 6: Final answer
   x = 18,251.25