Finding the Fourth Proportional to 18,401.96, 25,393.82 and 10,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,401.96 : 25,393.82 = 10,443.10 : x
2. Step 2: Convert to fraction form
   18,401.96/25,393.82 = 10,443.10/x
3. Step 3: Cross multiply
   18,401.96x = 25,393.82 × 10,443.10
4. Step 4: Simplify right side
   18,401.96x = 265,190,201.64
5. Step 5: Solve for x
   x = 265,190,201.64/18,401.96
6. Step 6: Final answer
   x = 14,410.98