Finding the Fourth Proportional to 30,673.73, 42,326.83 and 17,929.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,673.73 : 42,326.83 = 17,929.90 : x
2. Step 2: Convert to fraction form
   30,673.73/42,326.83 = 17,929.90/x
3. Step 3: Cross multiply
   30,673.73x = 42,326.83 × 17,929.90
4. Step 4: Simplify right side
   30,673.73x = 758,915,829.22
5. Step 5: Solve for x
   x = 758,915,829.22/30,673.73
6. Step 6: Final answer
   x = 24,741.56