Finding the Fourth Proportional to 16,068.69, 24,061.11 and 12,931.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,068.69 : 24,061.11 = 12,931.56 : x
2. Step 2: Convert to fraction form
   16,068.69/24,061.11 = 12,931.56/x
3. Step 3: Cross multiply
   16,068.69x = 24,061.11 × 12,931.56
4. Step 4: Simplify right side
   16,068.69x = 311,147,687.63
5. Step 5: Solve for x
   x = 311,147,687.63/16,068.69
6. Step 6: Final answer
   x = 19,363.60