Finding the Fourth Proportional to 35,173.86, 48,540.54 and 21,744.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,173.86 : 48,540.54 = 21,744.78 : x
2. Step 2: Convert to fraction form
   35,173.86/48,540.54 = 21,744.78/x
3. Step 3: Cross multiply
   35,173.86x = 48,540.54 × 21,744.78
4. Step 4: Simplify right side
   35,173.86x = 1,055,503,363.38
5. Step 5: Solve for x
   x = 1,055,503,363.38/35,173.86
6. Step 6: Final answer
   x = 30,008.18