Finding the Fourth Proportional to 2,123.54, 2,930.67 and 1,179.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.54 : 2,930.67 = 1,179.44 : x
2. Step 2: Convert to fraction form
   2,123.54/2,930.67 = 1,179.44/x
3. Step 3: Cross multiply
   2,123.54x = 2,930.67 × 1,179.44
4. Step 4: Simplify right side
   2,123.54x = 3,456,534.77
5. Step 5: Solve for x
   x = 3,456,534.77/2,123.54
6. Step 6: Final answer
   x = 1,627.73