Finding the Fourth Proportional to 31,097.13, 42,913.71 and 16,949.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.13 : 42,913.71 = 16,949.67 : x
2. Step 2: Convert to fraction form
   31,097.13/42,913.71 = 16,949.67/x
3. Step 3: Cross multiply
   31,097.13x = 42,913.71 × 16,949.67
4. Step 4: Simplify right side
   31,097.13x = 727,373,222.98
5. Step 5: Solve for x
   x = 727,373,222.98/31,097.13
6. Step 6: Final answer
   x = 23,390.37