Finding the Fourth Proportional to 31,096.71, 42,913.19 and 16,949.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.71 : 42,913.19 = 16,949.25 : x
2. Step 2: Convert to fraction form
   31,096.71/42,913.19 = 16,949.25/x
3. Step 3: Cross multiply
   31,096.71x = 42,913.19 × 16,949.25
4. Step 4: Simplify right side
   31,096.71x = 727,346,427.98
5. Step 5: Solve for x
   x = 727,346,427.98/31,096.71
6. Step 6: Final answer
   x = 23,389.82