Finding the Fourth Proportional to 16,131.47, 24,185.32 and 10,853.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.47 : 24,185.32 = 10,853.30 : x
2. Step 2: Convert to fraction form
   16,131.47/24,185.32 = 10,853.30/x
3. Step 3: Cross multiply
   16,131.47x = 24,185.32 × 10,853.30
4. Step 4: Simplify right side
   16,131.47x = 262,490,566.89
5. Step 5: Solve for x
   x = 262,490,566.89/16,131.47
6. Step 6: Final answer
   x = 16,271.96