Finding the Fourth Proportional to 23,830.48, 32,890.01 and 13,223.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,830.48 : 32,890.01 = 13,223.53 : x
2. Step 2: Convert to fraction form
   23,830.48/32,890.01 = 13,223.53/x
3. Step 3: Cross multiply
   23,830.48x = 32,890.01 × 13,223.53
4. Step 4: Simplify right side
   23,830.48x = 434,922,033.94
5. Step 5: Solve for x
   x = 434,922,033.94/23,830.48
6. Step 6: Final answer
   x = 18,250.66