Finding the Fourth Proportional to 30,517, 42,109.92 and 17,772.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,517 : 42,109.92 = 17,772.97 : x
2. Step 2: Convert to fraction form
   30,517/42,109.92 = 17,772.97/x
3. Step 3: Cross multiply
   30,517x = 42,109.92 × 17,772.97
4. Step 4: Simplify right side
   30,517x = 748,418,150.72
5. Step 5: Solve for x
   x = 748,418,150.72/30,517
6. Step 6: Final answer
   x = 24,524.63