Finding the Fourth Proportional to 2,123.91, 2,930.97 and 1,192.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.91 : 2,930.97 = 1,192.41 : x
2. Step 2: Convert to fraction form
   2,123.91/2,930.97 = 1,192.41/x
3. Step 3: Cross multiply
   2,123.91x = 2,930.97 × 1,192.41
4. Step 4: Simplify right side
   2,123.91x = 3,494,917.94
5. Step 5: Solve for x
   x = 3,494,917.94/2,123.91
6. Step 6: Final answer
   x = 1,645.51