Finding the Fourth Proportional to 30,902.01, 42,644.79 and 16,754.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,902.01 : 42,644.79 = 16,754.82 : x
2. Step 2: Convert to fraction form
   30,902.01/42,644.79 = 16,754.82/x
3. Step 3: Cross multiply
   30,902.01x = 42,644.79 × 16,754.82
4. Step 4: Simplify right side
   30,902.01x = 714,505,780.39
5. Step 5: Solve for x
   x = 714,505,780.39/30,902.01
6. Step 6: Final answer
   x = 23,121.66