Finding the Fourth Proportional to 30,687.39, 42,369.89 and 23,630.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,687.39 : 42,369.89 = 23,630.67 : x
2. Step 2: Convert to fraction form
   30,687.39/42,369.89 = 23,630.67/x
3. Step 3: Cross multiply
   30,687.39x = 42,369.89 × 23,630.67
4. Step 4: Simplify right side
   30,687.39x = 1,001,228,770.37
5. Step 5: Solve for x
   x = 1,001,228,770.37/30,687.39
6. Step 6: Final answer
   x = 32,626.72