Finding the Fourth Proportional to 30,758.46, 42,446.67 and 16,611.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,758.46 : 42,446.67 = 16,611.30 : x
2. Step 2: Convert to fraction form
   30,758.46/42,446.67 = 16,611.30/x
3. Step 3: Cross multiply
   30,758.46x = 42,446.67 × 16,611.30
4. Step 4: Simplify right side
   30,758.46x = 705,094,369.37
5. Step 5: Solve for x
   x = 705,094,369.37/30,758.46
6. Step 6: Final answer
   x = 22,923.59