Finding the Fourth Proportional to 16,389, 24,538.70 and 11,463.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389 : 24,538.70 = 11,463.56 : x
2. Step 2: Convert to fraction form
   16,389/24,538.70 = 11,463.56/x
3. Step 3: Cross multiply
   16,389x = 24,538.70 × 11,463.56
4. Step 4: Simplify right side
   16,389x = 281,300,859.77
5. Step 5: Solve for x
   x = 281,300,859.77/16,389
6. Step 6: Final answer
   x = 17,164.00