Finding the Fourth Proportional to 18,798.18, 25,942.57 and 10,300.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,798.18 : 25,942.57 = 10,300.31 : x
2. Step 2: Convert to fraction form
   18,798.18/25,942.57 = 10,300.31/x
3. Step 3: Cross multiply
   18,798.18x = 25,942.57 × 10,300.31
4. Step 4: Simplify right side
   18,798.18x = 267,216,513.20
5. Step 5: Solve for x
   x = 267,216,513.20/18,798.18
6. Step 6: Final answer
   x = 14,215.02