Finding the Fourth Proportional to 30,849.92, 42,572.94 and 16,702.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,849.92 : 42,572.94 = 16,702.82 : x
2. Step 2: Convert to fraction form
   30,849.92/42,572.94 = 16,702.82/x
3. Step 3: Cross multiply
   30,849.92x = 42,572.94 × 16,702.82
4. Step 4: Simplify right side
   30,849.92x = 711,088,153.69
5. Step 5: Solve for x
   x = 711,088,153.69/30,849.92
6. Step 6: Final answer
   x = 23,049.92