Finding the Fourth Proportional to 1,936.71, 2,881.78 and 1,930.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.71 : 2,881.78 = 1,930.23 : x
2. Step 2: Convert to fraction form
   1,936.71/2,881.78 = 1,930.23/x
3. Step 3: Cross multiply
   1,936.71x = 2,881.78 × 1,930.23
4. Step 4: Simplify right side
   1,936.71x = 5,562,493.38
5. Step 5: Solve for x
   x = 5,562,493.38/1,936.71
6. Step 6: Final answer
   x = 2,872.14