Finding the Fourth Proportional to 23,826.72, 32,884.82 and 13,219.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,826.72 : 32,884.82 = 13,219.77 : x
2. Step 2: Convert to fraction form
   23,826.72/32,884.82 = 13,219.77/x
3. Step 3: Cross multiply
   23,826.72x = 32,884.82 × 13,219.77
4. Step 4: Simplify right side
   23,826.72x = 434,729,740.37
5. Step 5: Solve for x
   x = 434,729,740.37/23,826.72
6. Step 6: Final answer
   x = 18,245.47