Finding the Fourth Proportional to 18,144.42, 25,035.12 and 10,587.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,144.42 : 25,035.12 = 10,587.78 : x
2. Step 2: Convert to fraction form
   18,144.42/25,035.12 = 10,587.78/x
3. Step 3: Cross multiply
   18,144.42x = 25,035.12 × 10,587.78
4. Step 4: Simplify right side
   18,144.42x = 265,066,342.83
5. Step 5: Solve for x
   x = 265,066,342.83/18,144.42
6. Step 6: Final answer
   x = 14,608.70