Finding the Fourth Proportional to 16,040.76, 24,150.30 and 13,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,040.76 : 24,150.30 = 13,897.50 : x
2. Step 2: Convert to fraction form
   16,040.76/24,150.30 = 13,897.50/x
3. Step 3: Cross multiply
   16,040.76x = 24,150.30 × 13,897.50
4. Step 4: Simplify right side
   16,040.76x = 335,628,794.25
5. Step 5: Solve for x
   x = 335,628,794.25/16,040.76
6. Step 6: Final answer
   x = 20,923.50