Finding the Fourth Proportional to 30,610.49, 42,231.62 and 20,006.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,610.49 : 42,231.62 = 20,006.27 : x
2. Step 2: Convert to fraction form
   30,610.49/42,231.62 = 20,006.27/x
3. Step 3: Cross multiply
   30,610.49x = 42,231.62 × 20,006.27
4. Step 4: Simplify right side
   30,610.49x = 844,896,881.07
5. Step 5: Solve for x
   x = 844,896,881.07/30,610.49
6. Step 6: Final answer
   x = 27,601.55