Finding the Fourth Proportional to 30,820.56, 42,532.41 and 16,673.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,820.56 : 42,532.41 = 16,673.37 : x
2. Step 2: Convert to fraction form
   30,820.56/42,532.41 = 16,673.37/x
3. Step 3: Cross multiply
   30,820.56x = 42,532.41 × 16,673.37
4. Step 4: Simplify right side
   30,820.56x = 709,158,608.92
5. Step 5: Solve for x
   x = 709,158,608.92/30,820.56
6. Step 6: Final answer
   x = 23,009.27