Finding the Fourth Proportional to 31,097.20, 42,914.04 and 16,950.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.20 : 42,914.04 = 16,950.05 : x
2. Step 2: Convert to fraction form
   31,097.20/42,914.04 = 16,950.05/x
3. Step 3: Cross multiply
   31,097.20x = 42,914.04 × 16,950.05
4. Step 4: Simplify right side
   31,097.20x = 727,395,123.70
5. Step 5: Solve for x
   x = 727,395,123.70/31,097.20
6. Step 6: Final answer
   x = 23,391.02