Finding the Fourth Proportional to 30,850.47, 42,573.83 and 16,703.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,850.47 : 42,573.83 = 16,703.31 : x
2. Step 2: Convert to fraction form
   30,850.47/42,573.83 = 16,703.31/x
3. Step 3: Cross multiply
   30,850.47x = 42,573.83 × 16,703.31
4. Step 4: Simplify right side
   30,850.47x = 711,124,003.49
5. Step 5: Solve for x
   x = 711,124,003.49/30,850.47
6. Step 6: Final answer
   x = 23,050.67