Finding the Fourth Proportional to 18,665.83, 25,758.41 and 10,707.53

Step by Step Solution

1. Step 1: Write the proportion equation
   18,665.83 : 25,758.41 = 10,707.53 : x
2. Step 2: Convert to fraction form
   18,665.83/25,758.41 = 10,707.53/x
3. Step 3: Cross multiply
   18,665.83x = 25,758.41 × 10,707.53
4. Step 4: Simplify right side
   18,665.83x = 275,808,947.83
5. Step 5: Solve for x
   x = 275,808,947.83/18,665.83
6. Step 6: Final answer
   x = 14,776.14