Finding the Fourth Proportional to 13,109.72, 18,075.75 and 10,710.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.72 : 18,075.75 = 10,710.85 : x
2. Step 2: Convert to fraction form
   13,109.72/18,075.75 = 10,710.85/x
3. Step 3: Cross multiply
   13,109.72x = 18,075.75 × 10,710.85
4. Step 4: Simplify right side
   13,109.72x = 193,606,593.33
5. Step 5: Solve for x
   x = 193,606,593.33/13,109.72
6. Step 6: Final answer
   x = 14,768.17