Finding the Fourth Proportional to 30,849.63, 42,572.51 and 16,702.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,849.63 : 42,572.51 = 16,702.48 : x
2. Step 2: Convert to fraction form
   30,849.63/42,572.51 = 16,702.48/x
3. Step 3: Cross multiply
   30,849.63x = 42,572.51 × 16,702.48
4. Step 4: Simplify right side
   30,849.63x = 711,066,496.82
5. Step 5: Solve for x
   x = 711,066,496.82/30,849.63
6. Step 6: Final answer
   x = 23,049.43