Finding the Fourth Proportional to 30,673.71, 42,327.78 and 17,244.78

Step by Step Solution

1. Step 1: Write the proportion equation
   30,673.71 : 42,327.78 = 17,244.78 : x
2. Step 2: Convert to fraction form
   30,673.71/42,327.78 = 17,244.78/x
3. Step 3: Cross multiply
   30,673.71x = 42,327.78 × 17,244.78
4. Step 4: Simplify right side
   30,673.71x = 729,933,253.99
5. Step 5: Solve for x
   x = 729,933,253.99/30,673.71
6. Step 6: Final answer
   x = 23,796.71