Finding the Fourth Proportional to 2,284.72, 3,154.10 and 1,584.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.72 : 3,154.10 = 1,584.88 : x
2. Step 2: Convert to fraction form
   2,284.72/3,154.10 = 1,584.88/x
3. Step 3: Cross multiply
   2,284.72x = 3,154.10 × 1,584.88
4. Step 4: Simplify right side
   2,284.72x = 4,998,870.01
5. Step 5: Solve for x
   x = 4,998,870.01/2,284.72
6. Step 6: Final answer
   x = 2,187.96