Finding the Fourth Proportional to 27,176.72, 40,744.52 and 17,819.09

Step by Step Solution

1. Step 1: Write the proportion equation
   27,176.72 : 40,744.52 = 17,819.09 : x
2. Step 2: Convert to fraction form
   27,176.72/40,744.52 = 17,819.09/x
3. Step 3: Cross multiply
   27,176.72x = 40,744.52 × 17,819.09
4. Step 4: Simplify right side
   27,176.72x = 726,030,128.86
5. Step 5: Solve for x
   x = 726,030,128.86/27,176.72
6. Step 6: Final answer
   x = 26,715.15