Finding the Fourth Proportional to 18,328.72, 25,293.56 and 10,370.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,328.72 : 25,293.56 = 10,370.96 : x
2. Step 2: Convert to fraction form
   18,328.72/25,293.56 = 10,370.96/x
3. Step 3: Cross multiply
   18,328.72x = 25,293.56 × 10,370.96
4. Step 4: Simplify right side
   18,328.72x = 262,318,499.02
5. Step 5: Solve for x
   x = 262,318,499.02/18,328.72
6. Step 6: Final answer
   x = 14,311.88