Finding the Fourth Proportional to 23,184.64, 31,994.24 and 13,248

Step by Step Solution

1. Step 1: Write the proportion equation
   23,184.64 : 31,994.24 = 13,248 : x
2. Step 2: Convert to fraction form
   23,184.64/31,994.24 = 13,248/x
3. Step 3: Cross multiply
   23,184.64x = 31,994.24 × 13,248
4. Step 4: Simplify right side
   23,184.64x = 423,859,691.52
5. Step 5: Solve for x
   x = 423,859,691.52/23,184.64
6. Step 6: Final answer
   x = 18,281.92