Finding the Fourth Proportional to 2,089.84, 2,884.03 and 1,145.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.84 : 2,884.03 = 1,145.67 : x
2. Step 2: Convert to fraction form
   2,089.84/2,884.03 = 1,145.67/x
3. Step 3: Cross multiply
   2,089.84x = 2,884.03 × 1,145.67
4. Step 4: Simplify right side
   2,089.84x = 3,304,144.30
5. Step 5: Solve for x
   x = 3,304,144.30/2,089.84
6. Step 6: Final answer
   x = 1,581.05