Finding the Fourth Proportional to 2,123.16, 2,903.97 and 2,089.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.16 : 2,903.97 = 2,089.14 : x
2. Step 2: Convert to fraction form
   2,123.16/2,903.97 = 2,089.14/x
3. Step 3: Cross multiply
   2,123.16x = 2,903.97 × 2,089.14
4. Step 4: Simplify right side
   2,123.16x = 6,066,799.89
5. Step 5: Solve for x
   x = 6,066,799.89/2,123.16
6. Step 6: Final answer
   x = 2,857.44