Finding the Fourth Proportional to 30,766.67, 42,458.01 and 16,619.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,766.67 : 42,458.01 = 16,619.51 : x
2. Step 2: Convert to fraction form
   30,766.67/42,458.01 = 16,619.51/x
3. Step 3: Cross multiply
   30,766.67x = 42,458.01 × 16,619.51
4. Step 4: Simplify right side
   30,766.67x = 705,631,109.49
5. Step 5: Solve for x
   x = 705,631,109.49/30,766.67
6. Step 6: Final answer
   x = 22,934.92