Finding the Fourth Proportional to 23,184, 31,993.92 and 13,248

Step by Step Solution

1. Step 1: Write the proportion equation
   23,184 : 31,993.92 = 13,248 : x
2. Step 2: Convert to fraction form
   23,184/31,993.92 = 13,248/x
3. Step 3: Cross multiply
   23,184x = 31,993.92 × 13,248
4. Step 4: Simplify right side
   23,184x = 423,855,452.16
5. Step 5: Solve for x
   x = 423,855,452.16/23,184
6. Step 6: Final answer
   x = 18,282.24