Finding the Fourth Proportional to 30,607.49, 42,227.48 and 20,003.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,607.49 : 42,227.48 = 20,003.27 : x
2. Step 2: Convert to fraction form
   30,607.49/42,227.48 = 20,003.27/x
3. Step 3: Cross multiply
   30,607.49x = 42,227.48 × 20,003.27
4. Step 4: Simplify right side
   30,607.49x = 844,687,372.71
5. Step 5: Solve for x
   x = 844,687,372.71/30,607.49
6. Step 6: Final answer
   x = 27,597.41