Finding the Fourth Proportional to 16,339.47, 24,518.52 and 13,599.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,339.47 : 24,518.52 = 13,599.33 : x
2. Step 2: Convert to fraction form
   16,339.47/24,518.52 = 13,599.33/x
3. Step 3: Cross multiply
   16,339.47x = 24,518.52 × 13,599.33
4. Step 4: Simplify right side
   16,339.47x = 333,435,444.59
5. Step 5: Solve for x
   x = 333,435,444.59/16,339.47
6. Step 6: Final answer
   x = 20,406.75