Finding the Fourth Proportional to 2,123.73, 2,919.43 and 1,897.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.73 : 2,919.43 = 1,897.29 : x
2. Step 2: Convert to fraction form
   2,123.73/2,919.43 = 1,897.29/x
3. Step 3: Cross multiply
   2,123.73x = 2,919.43 × 1,897.29
4. Step 4: Simplify right side
   2,123.73x = 5,539,003.16
5. Step 5: Solve for x
   x = 5,539,003.16/2,123.73
6. Step 6: Final answer
   x = 2,608.15