Finding the Fourth Proportional to 18,498.96, 25,527.48 and 10,540.08

Step by Step Solution

1. Step 1: Write the proportion equation
   18,498.96 : 25,527.48 = 10,540.08 : x
2. Step 2: Convert to fraction form
   18,498.96/25,527.48 = 10,540.08/x
3. Step 3: Cross multiply
   18,498.96x = 25,527.48 × 10,540.08
4. Step 4: Simplify right side
   18,498.96x = 269,061,681.40
5. Step 5: Solve for x
   x = 269,061,681.40/18,498.96
6. Step 6: Final answer
   x = 14,544.69