Finding the Fourth Proportional to 30,663.14, 42,315.55 and 17,233.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,663.14 : 42,315.55 = 17,233.60 : x
2. Step 2: Convert to fraction form
   30,663.14/42,315.55 = 17,233.60/x
3. Step 3: Cross multiply
   30,663.14x = 42,315.55 × 17,233.60
4. Step 4: Simplify right side
   30,663.14x = 729,249,262.48
5. Step 5: Solve for x
   x = 729,249,262.48/30,663.14
6. Step 6: Final answer
   x = 23,782.60