Finding the Fourth Proportional to 16,525.48, 24,804.42 and 12,130.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,525.48 : 24,804.42 = 12,130.48 : x
2. Step 2: Convert to fraction form
   16,525.48/24,804.42 = 12,130.48/x
3. Step 3: Cross multiply
   16,525.48x = 24,804.42 × 12,130.48
4. Step 4: Simplify right side
   16,525.48x = 300,889,520.72
5. Step 5: Solve for x
   x = 300,889,520.72/16,525.48
6. Step 6: Final answer
   x = 18,207.61