Finding the Fourth Proportional to 30,820.42, 42,532.19 and 16,673.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,820.42 : 42,532.19 = 16,673.23 : x
2. Step 2: Convert to fraction form
   30,820.42/42,532.19 = 16,673.23/x
3. Step 3: Cross multiply
   30,820.42x = 42,532.19 × 16,673.23
4. Step 4: Simplify right side
   30,820.42x = 709,148,986.27
5. Step 5: Solve for x
   x = 709,148,986.27/30,820.42
6. Step 6: Final answer
   x = 23,009.06