Finding the Fourth Proportional to 16,485.98, 24,745.17 and 12,090.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.98 : 24,745.17 = 12,090.92 : x
2. Step 2: Convert to fraction form
   16,485.98/24,745.17 = 12,090.92/x
3. Step 3: Cross multiply
   16,485.98x = 24,745.17 × 12,090.92
4. Step 4: Simplify right side
   16,485.98x = 299,191,870.86
5. Step 5: Solve for x
   x = 299,191,870.86/16,485.98
6. Step 6: Final answer
   x = 18,148.26