Finding the Fourth Proportional to 18,300.48, 25,253.28 and 10,342.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,300.48 : 25,253.28 = 10,342.72 : x
2. Step 2: Convert to fraction form
   18,300.48/25,253.28 = 10,342.72/x
3. Step 3: Cross multiply
   18,300.48x = 25,253.28 × 10,342.72
4. Step 4: Simplify right side
   18,300.48x = 261,187,604.12
5. Step 5: Solve for x
   x = 261,187,604.12/18,300.48
6. Step 6: Final answer
   x = 14,272.17