Finding the Fourth Proportional to 23,358.82, 32,235.88 and 13,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,358.82 : 32,235.88 = 13,288.72 : x
2. Step 2: Convert to fraction form
   23,358.82/32,235.88 = 13,288.72/x
3. Step 3: Cross multiply
   23,358.82x = 32,235.88 × 13,288.72
4. Step 4: Simplify right side
   23,358.82x = 428,373,583.27
5. Step 5: Solve for x
   x = 428,373,583.27/23,358.82
6. Step 6: Final answer
   x = 18,338.84