Finding the Fourth Proportional to 2,251.89, 3,104.06 and 1,587.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.89 : 3,104.06 = 1,587.69 : x
2. Step 2: Convert to fraction form
   2,251.89/3,104.06 = 1,587.69/x
3. Step 3: Cross multiply
   2,251.89x = 3,104.06 × 1,587.69
4. Step 4: Simplify right side
   2,251.89x = 4,928,277.08
5. Step 5: Solve for x
   x = 4,928,277.08/2,251.89
6. Step 6: Final answer
   x = 2,188.51