Finding the Fourth Proportional to 23,222.92, 32,048.50 and 13,285

Step by Step Solution

1. Step 1: Write the proportion equation
   23,222.92 : 32,048.50 = 13,285 : x
2. Step 2: Convert to fraction form
   23,222.92/32,048.50 = 13,285/x
3. Step 3: Cross multiply
   23,222.92x = 32,048.50 × 13,285
4. Step 4: Simplify right side
   23,222.92x = 425,764,322.50
5. Step 5: Solve for x
   x = 425,764,322.50/23,222.92
6. Step 6: Final answer
   x = 18,333.80