Finding the Fourth Proportional to 30,658.50, 42,308.37 and 17,232.03

Step by Step Solution

1. Step 1: Write the proportion equation
   30,658.50 : 42,308.37 = 17,232.03 : x
2. Step 2: Convert to fraction form
   30,658.50/42,308.37 = 17,232.03/x
3. Step 3: Cross multiply
   30,658.50x = 42,308.37 × 17,232.03
4. Step 4: Simplify right side
   30,658.50x = 729,059,101.09
5. Step 5: Solve for x
   x = 729,059,101.09/30,658.50
6. Step 6: Final answer
   x = 23,780.00