Finding the Fourth Proportional to 30,996.68, 42,774.89 and 16,849.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,996.68 : 42,774.89 = 16,849.42 : x
2. Step 2: Convert to fraction form
   30,996.68/42,774.89 = 16,849.42/x
3. Step 3: Cross multiply
   30,996.68x = 42,774.89 × 16,849.42
4. Step 4: Simplify right side
   30,996.68x = 720,731,895.88
5. Step 5: Solve for x
   x = 720,731,895.88/30,996.68
6. Step 6: Final answer
   x = 23,251.91