Finding the Fourth Proportional to 40,464.69, 60,694.80 and 12,384.73

Step by Step Solution

1. Step 1: Write the proportion equation
   40,464.69 : 60,694.80 = 12,384.73 : x
2. Step 2: Convert to fraction form
   40,464.69/60,694.80 = 12,384.73/x
3. Step 3: Cross multiply
   40,464.69x = 60,694.80 × 12,384.73
4. Step 4: Simplify right side
   40,464.69x = 751,688,581.89
5. Step 5: Solve for x
   x = 751,688,581.89/40,464.69
6. Step 6: Final answer
   x = 18,576.41