Finding the Fourth Proportional to 30,760.38, 42,449.33 and 16,613.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,760.38 : 42,449.33 = 16,613.23 : x
2. Step 2: Convert to fraction form
   30,760.38/42,449.33 = 16,613.23/x
3. Step 3: Cross multiply
   30,760.38x = 42,449.33 × 16,613.23
4. Step 4: Simplify right side
   30,760.38x = 705,220,308.16
5. Step 5: Solve for x
   x = 705,220,308.16/30,760.38
6. Step 6: Final answer
   x = 22,926.25