Finding the Fourth Proportional to 2,123.37, 3,179.34 and 1,197.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.37 : 3,179.34 = 1,197.54 : x
2. Step 2: Convert to fraction form
   2,123.37/3,179.34 = 1,197.54/x
3. Step 3: Cross multiply
   2,123.37x = 3,179.34 × 1,197.54
4. Step 4: Simplify right side
   2,123.37x = 3,807,386.82
5. Step 5: Solve for x
   x = 3,807,386.82/2,123.37
6. Step 6: Final answer
   x = 1,793.09