Finding the Fourth Proportional to 18,510.50, 25,544.86 and 10,127.18

Step by Step Solution

1. Step 1: Write the proportion equation
   18,510.50 : 25,544.86 = 10,127.18 : x
2. Step 2: Convert to fraction form
   18,510.50/25,544.86 = 10,127.18/x
3. Step 3: Cross multiply
   18,510.50x = 25,544.86 × 10,127.18
4. Step 4: Simplify right side
   18,510.50x = 258,697,395.29
5. Step 5: Solve for x
   x = 258,697,395.29/18,510.50
6. Step 6: Final answer
   x = 13,975.71