Finding the Fourth Proportional to 30,766.32, 42,457.53 and 16,619.16

Step by Step Solution

1. Step 1: Write the proportion equation
   30,766.32 : 42,457.53 = 16,619.16 : x
2. Step 2: Convert to fraction form
   30,766.32/42,457.53 = 16,619.16/x
3. Step 3: Cross multiply
   30,766.32x = 42,457.53 × 16,619.16
4. Step 4: Simplify right side
   30,766.32x = 705,608,484.27
5. Step 5: Solve for x
   x = 705,608,484.27/30,766.32
6. Step 6: Final answer
   x = 22,934.45