Finding the Fourth Proportional to 30,738.96, 42,414.84 and 17,992.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,738.96 : 42,414.84 = 17,992.80 : x
2. Step 2: Convert to fraction form
   30,738.96/42,414.84 = 17,992.80/x
3. Step 3: Cross multiply
   30,738.96x = 42,414.84 × 17,992.80
4. Step 4: Simplify right side
   30,738.96x = 763,161,733.15
5. Step 5: Solve for x
   x = 763,161,733.15/30,738.96
6. Step 6: Final answer
   x = 24,827.18