Finding the Fourth Proportional to 30,663.27, 42,315.69 and 17,233.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,663.27 : 42,315.69 = 17,233.74 : x
2. Step 2: Convert to fraction form
   30,663.27/42,315.69 = 17,233.74/x
3. Step 3: Cross multiply
   30,663.27x = 42,315.69 × 17,233.74
4. Step 4: Simplify right side
   30,663.27x = 729,257,599.38
5. Step 5: Solve for x
   x = 729,257,599.38/30,663.27
6. Step 6: Final answer
   x = 23,782.77