Finding the Fourth Proportional to 30,996.88, 42,775.83 and 16,849.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,996.88 : 42,775.83 = 16,849.69 : x
2. Step 2: Convert to fraction form
   30,996.88/42,775.83 = 16,849.69/x
3. Step 3: Cross multiply
   30,996.88x = 42,775.83 × 16,849.69
4. Step 4: Simplify right side
   30,996.88x = 720,759,368.05
5. Step 5: Solve for x
   x = 720,759,368.05/30,996.88
6. Step 6: Final answer
   x = 23,252.64