Finding the Fourth Proportional to 16,443.76, 24,719.10 and 13,192.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.76 : 24,719.10 = 13,192.42 : x
2. Step 2: Convert to fraction form
   16,443.76/24,719.10 = 13,192.42/x
3. Step 3: Cross multiply
   16,443.76x = 24,719.10 × 13,192.42
4. Step 4: Simplify right side
   16,443.76x = 326,104,749.22
5. Step 5: Solve for x
   x = 326,104,749.22/16,443.76
6. Step 6: Final answer
   x = 19,831.52