Finding the Fourth Proportional to 30,771.72, 42,464.92 and 16,624.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,771.72 : 42,464.92 = 16,624.52 : x
2. Step 2: Convert to fraction form
   30,771.72/42,464.92 = 16,624.52/x
3. Step 3: Cross multiply
   30,771.72x = 42,464.92 × 16,624.52
4. Step 4: Simplify right side
   30,771.72x = 705,958,911.84
5. Step 5: Solve for x
   x = 705,958,911.84/30,771.72
6. Step 6: Final answer
   x = 22,941.81