Finding the Fourth Proportional to 30,789.77, 42,493.91 and 17,365.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,789.77 : 42,493.91 = 17,365.23 : x
2. Step 2: Convert to fraction form
   30,789.77/42,493.91 = 17,365.23/x
3. Step 3: Cross multiply
   30,789.77x = 42,493.91 × 17,365.23
4. Step 4: Simplify right side
   30,789.77x = 737,916,433.92
5. Step 5: Solve for x
   x = 737,916,433.92/30,789.77
6. Step 6: Final answer
   x = 23,966.29