Finding the Fourth Proportional to 2,123.49, 2,930.59 and 1,179.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.49 : 2,930.59 = 1,179.37 : x
2. Step 2: Convert to fraction form
   2,123.49/2,930.59 = 1,179.37/x
3. Step 3: Cross multiply
   2,123.49x = 2,930.59 × 1,179.37
4. Step 4: Simplify right side
   2,123.49x = 3,456,255.07
5. Step 5: Solve for x
   x = 3,456,255.07/2,123.49
6. Step 6: Final answer
   x = 1,627.63