Finding the Fourth Proportional to 18,477.10, 25,501.18 and 10,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,477.10 : 25,501.18 = 10,411.50 : x
2. Step 2: Convert to fraction form
   18,477.10/25,501.18 = 10,411.50/x
3. Step 3: Cross multiply
   18,477.10x = 25,501.18 × 10,411.50
4. Step 4: Simplify right side
   18,477.10x = 265,505,535.57
5. Step 5: Solve for x
   x = 265,505,535.57/18,477.10
6. Step 6: Final answer
   x = 14,369.44