Finding the Fourth Proportional to 30,764.34, 42,458.85 and 17,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,764.34 : 42,458.85 = 17,338.50 : x
2. Step 2: Convert to fraction form
   30,764.34/42,458.85 = 17,338.50/x
3. Step 3: Cross multiply
   30,764.34x = 42,458.85 × 17,338.50
4. Step 4: Simplify right side
   30,764.34x = 736,172,770.73
5. Step 5: Solve for x
   x = 736,172,770.73/30,764.34
6. Step 6: Final answer
   x = 23,929.42