Finding the Fourth Proportional to 18,665.60, 25,758.52 and 10,282.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,665.60 : 25,758.52 = 10,282.10 : x
2. Step 2: Convert to fraction form
   18,665.60/25,758.52 = 10,282.10/x
3. Step 3: Cross multiply
   18,665.60x = 25,758.52 × 10,282.10
4. Step 4: Simplify right side
   18,665.60x = 264,851,523.99
5. Step 5: Solve for x
   x = 264,851,523.99/18,665.60
6. Step 6: Final answer
   x = 14,189.29