Finding the Fourth Proportional to 12,995.49, 19,483.30 and 10,767.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.49 : 19,483.30 = 10,767.48 : x
2. Step 2: Convert to fraction form
   12,995.49/19,483.30 = 10,767.48/x
3. Step 3: Cross multiply
   12,995.49x = 19,483.30 × 10,767.48
4. Step 4: Simplify right side
   12,995.49x = 209,786,047.65
5. Step 5: Solve for x
   x = 209,786,047.65/12,995.49
6. Step 6: Final answer
   x = 16,142.99