Finding the Fourth Proportional to 30,820.50, 42,532.24 and 16,673.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,820.50 : 42,532.24 = 16,673.34 : x
2. Step 2: Convert to fraction form
   30,820.50/42,532.24 = 16,673.34/x
3. Step 3: Cross multiply
   30,820.50x = 42,532.24 × 16,673.34
4. Step 4: Simplify right side
   30,820.50x = 709,154,498.48
5. Step 5: Solve for x
   x = 709,154,498.48/30,820.50
6. Step 6: Final answer
   x = 23,009.18