Finding the Fourth Proportional to 31,097.96, 42,914.92 and 16,950.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.96 : 42,914.92 = 16,950.50 : x
2. Step 2: Convert to fraction form
   31,097.96/42,914.92 = 16,950.50/x
3. Step 3: Cross multiply
   31,097.96x = 42,914.92 × 16,950.50
4. Step 4: Simplify right side
   31,097.96x = 727,429,266.71
5. Step 5: Solve for x
   x = 727,429,266.71/31,097.96
6. Step 6: Final answer
   x = 23,391.54