Finding the Fourth Proportional to 16,262.64, 24,359.94 and 10,389.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,262.64 : 24,359.94 = 10,389.42 : x
2. Step 2: Convert to fraction form
   16,262.64/24,359.94 = 10,389.42/x
3. Step 3: Cross multiply
   16,262.64x = 24,359.94 × 10,389.42
4. Step 4: Simplify right side
   16,262.64x = 253,085,647.83
5. Step 5: Solve for x
   x = 253,085,647.83/16,262.64
6. Step 6: Final answer
   x = 15,562.40