Finding the Fourth Proportional to 18,581.00, 25,641.72 and 10,623.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,581.00 : 25,641.72 = 10,623.38 : x
2. Step 2: Convert to fraction form
   18,581.00/25,641.72 = 10,623.38/x
3. Step 3: Cross multiply
   18,581.00x = 25,641.72 × 10,623.38
4. Step 4: Simplify right side
   18,581.00x = 272,401,607.21
5. Step 5: Solve for x
   x = 272,401,607.21/18,581.00
6. Step 6: Final answer
   x = 14,660.23