Finding the Fourth Proportional to 17,945.08, 24,738.55 and 12,623.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945.08 : 24,738.55 = 12,623.38 : x
2. Step 2: Convert to fraction form
   17,945.08/24,738.55 = 12,623.38/x
3. Step 3: Cross multiply
   17,945.08x = 24,738.55 × 12,623.38
4. Step 4: Simplify right side
   17,945.08x = 312,284,117.30
5. Step 5: Solve for x
   x = 312,284,117.30/17,945.08
6. Step 6: Final answer
   x = 17,402.21