Finding the Fourth Proportional to 23,830.32, 32,889.78 and 13,223.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,830.32 : 32,889.78 = 13,223.37 : x
2. Step 2: Convert to fraction form
   23,830.32/32,889.78 = 13,223.37/x
3. Step 3: Cross multiply
   23,830.32x = 32,889.78 × 13,223.37
4. Step 4: Simplify right side
   23,830.32x = 434,913,730.16
5. Step 5: Solve for x
   x = 434,913,730.16/23,830.32
6. Step 6: Final answer
   x = 18,250.44