Finding the Fourth Proportional to 30,760.53, 42,449.52 and 16,613.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,760.53 : 42,449.52 = 16,613.37 : x
2. Step 2: Convert to fraction form
   30,760.53/42,449.52 = 16,613.37/x
3. Step 3: Cross multiply
   30,760.53x = 42,449.52 × 16,613.37
4. Step 4: Simplify right side
   30,760.53x = 705,229,582.08
5. Step 5: Solve for x
   x = 705,229,582.08/30,760.53
6. Step 6: Final answer
   x = 22,926.44