Finding the Fourth Proportional to 14,105.61, 19,464.97 and 7,731.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.61 : 19,464.97 = 7,731.05 : x
2. Step 2: Convert to fraction form
   14,105.61/19,464.97 = 7,731.05/x
3. Step 3: Cross multiply
   14,105.61x = 19,464.97 × 7,731.05
4. Step 4: Simplify right side
   14,105.61x = 150,484,656.32
5. Step 5: Solve for x
   x = 150,484,656.32/14,105.61
6. Step 6: Final answer
   x = 10,668.43