Finding the Fourth Proportional to 2,091.34, 2,882.55 and 1,587.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.34 : 2,882.55 = 1,587.04 : x
2. Step 2: Convert to fraction form
   2,091.34/2,882.55 = 1,587.04/x
3. Step 3: Cross multiply
   2,091.34x = 2,882.55 × 1,587.04
4. Step 4: Simplify right side
   2,091.34x = 4,574,722.15
5. Step 5: Solve for x
   x = 4,574,722.15/2,091.34
6. Step 6: Final answer
   x = 2,187.46