Finding the Fourth Proportional to 16,338.24, 24,381 and 13,996.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,338.24 : 24,381 = 13,996.80 : x
2. Step 2: Convert to fraction form
   16,338.24/24,381 = 13,996.80/x
3. Step 3: Cross multiply
   16,338.24x = 24,381 × 13,996.80
4. Step 4: Simplify right side
   16,338.24x = 341,255,980.80
5. Step 5: Solve for x
   x = 341,255,980.80/16,338.24
6. Step 6: Final answer
   x = 20,886.95