Finding the Fourth Proportional to 2,123.68, 2,930.37 and 1,179.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.68 : 2,930.37 = 1,179.32 : x
2. Step 2: Convert to fraction form
   2,123.68/2,930.37 = 1,179.32/x
3. Step 3: Cross multiply
   2,123.68x = 2,930.37 × 1,179.32
4. Step 4: Simplify right side
   2,123.68x = 3,455,843.95
5. Step 5: Solve for x
   x = 3,455,843.95/2,123.68
6. Step 6: Final answer
   x = 1,627.29