Finding the Fourth Proportional to 30,945.72, 42,705.06 and 16,798.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,945.72 : 42,705.06 = 16,798.92 : x
2. Step 2: Convert to fraction form
   30,945.72/42,705.06 = 16,798.92/x
3. Step 3: Cross multiply
   30,945.72x = 42,705.06 × 16,798.92
4. Step 4: Simplify right side
   30,945.72x = 717,398,886.54
5. Step 5: Solve for x
   x = 717,398,886.54/30,945.72
6. Step 6: Final answer
   x = 23,182.49