Finding the Fourth Proportional to 30,766.56, 42,457.88 and 16,619.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,766.56 : 42,457.88 = 16,619.41 : x
2. Step 2: Convert to fraction form
   30,766.56/42,457.88 = 16,619.41/x
3. Step 3: Cross multiply
   30,766.56x = 42,457.88 × 16,619.41
4. Step 4: Simplify right side
   30,766.56x = 705,624,832.35
5. Step 5: Solve for x
   x = 705,624,832.35/30,766.56
6. Step 6: Final answer
   x = 22,934.80