Finding the Fourth Proportional to 18,145.42, 25,036.50 and 10,588.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,145.42 : 25,036.50 = 10,588.78 : x
2. Step 2: Convert to fraction form
   18,145.42/25,036.50 = 10,588.78/x
3. Step 3: Cross multiply
   18,145.42x = 25,036.50 × 10,588.78
4. Step 4: Simplify right side
   18,145.42x = 265,105,990.47
5. Step 5: Solve for x
   x = 265,105,990.47/18,145.42
6. Step 6: Final answer
   x = 14,610.08