Finding the Fourth Proportional to 16,109.40, 24,131.70 and 10,860.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,109.40 : 24,131.70 = 10,860.60 : x
2. Step 2: Convert to fraction form
   16,109.40/24,131.70 = 10,860.60/x
3. Step 3: Cross multiply
   16,109.40x = 24,131.70 × 10,860.60
4. Step 4: Simplify right side
   16,109.40x = 262,084,741.02
5. Step 5: Solve for x
   x = 262,084,741.02/16,109.40
6. Step 6: Final answer
   x = 16,269.06