Finding the Fourth Proportional to 31,097.47, 42,914.41 and 16,950.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.47 : 42,914.41 = 16,950.31 : x
2. Step 2: Convert to fraction form
   31,097.47/42,914.41 = 16,950.31/x
3. Step 3: Cross multiply
   31,097.47x = 42,914.41 × 16,950.31
4. Step 4: Simplify right side
   31,097.47x = 727,412,644.70
5. Step 5: Solve for x
   x = 727,412,644.70/31,097.47
6. Step 6: Final answer
   x = 23,391.38