Finding the Fourth Proportional to 2,123.43, 2,930.09 and 1,179.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.43 : 2,930.09 = 1,179.14 : x
2. Step 2: Convert to fraction form
   2,123.43/2,930.09 = 1,179.14/x
3. Step 3: Cross multiply
   2,123.43x = 2,930.09 × 1,179.14
4. Step 4: Simplify right side
   2,123.43x = 3,454,988.89
5. Step 5: Solve for x
   x = 3,454,988.89/2,123.43
6. Step 6: Final answer
   x = 1,627.08