Finding the Fourth Proportional to 30,945.83, 42,705.28 and 16,798.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,945.83 : 42,705.28 = 16,798.67 : x
2. Step 2: Convert to fraction form
   30,945.83/42,705.28 = 16,798.67/x
3. Step 3: Cross multiply
   30,945.83x = 42,705.28 × 16,798.67
4. Step 4: Simplify right side
   30,945.83x = 717,391,905.98
5. Step 5: Solve for x
   x = 717,391,905.98/30,945.83
6. Step 6: Final answer
   x = 23,182.18